Item 10: Obey the general contract when overriding equals

According to Effective Java, Overriding the equals method seems simple, but there are many ways to get it wrong, and consequences can be dire. The easiest way to avoid problems is not to override the equals method, in which case each instance of the class is equal only to itself. This is the right thing to do if any of the following conditions apply:

• Each instance of the class is inherently unique. This is true for classes such as Thread that represent active entities rather than values. The equals implementation provided by Object has exactly the right behavior for these classes.

• There is no need for the class to provide a “logical equality” test. For example, java.util.regex.Pattern could have overridden equals to check whether two Pattern instances represented exactly the same regular expression, but the designers didn’t think that clients would need or want this functionality. Under these circumstances, the equals implementation inherited from Object is ideal.

• A superclass has already overridden equals, and the superclass behavior is appropriate for this class. For example, most Set implementations inherit their equals implementation from AbstractSet, List implementations from AbstractList, and Map implementations from AbstractMap.

• The class is private or package-private, and you are certain that its equals method will never be invoked. If you are extremely risk-averse, you can override the equals method to ensure that it isn’t invoked accidentally:

The equals method implements an equivalence relation. It has these properties:

• Reflexive: For any non-null reference value x, x.equals(x) must return true.

• Symmetric: For any non-null reference values x and y, x.equals(y) must return true if and only if y.equals(x) returns true.

• Transitive: For any non-null reference values x, y, z, if x.equals(y) returns true and y.equals(z) returns true, then x.equals(z) must return true.

• Consistent: For any non-null reference values x and y, multiple invocations of x.equals(y) must consistently return true or consistently return false, provided no information used in equals comparisons is modified.

• For any non-null reference value x, x.equals(null) must return false.

Here’s a recipe for a high-quality equals method:

1. Use the == operator to check if the argument is a reference to this object. If so, return true. This is just a performance optimization but one that is worth doing if the comparison is potentially expensive.

2. Use the instanceof operator to check if the argument has the correct type. If not, return false. Typically, the correct type is the class in which the method occurs. Occasionally, it is some interface implemented by this class. Use an interface if the class implements an interface that refines the equals contract to permit comparisons across classes that implement the interface. Collection interfaces such as Set, List, Map, and Map.Entry have this property.

3. Cast the argument to the correct type. Because this cast was preceded by an instanceof test, it is guaranteed to succeed.

4. For each “significant” field in the class, check if that field of the argument matches the corresponding field of this object. If all these tests succeed, return true; otherwise, return false. If the type in Step 2 is an interface, you must access the argument’s fields via interface methods; if the type is a class, you may be able to access the fields directly, depending on their accessibility.

5. For primitive fields whose type is not float or double, use the == operator for comparisons; for object reference fields, call the equals method recursively; for float fields, use the static Float.compare(float, float) method; and for double fields, use Double.compare(double, double). The special treatment of float and double fields is made necessary by the existence of Float.NaN, -0.0f and the analogous double values; While you could compare float and double fields with the static methods Float.equals and Double.equals, this would entail autoboxing on every comparison, which would have poor performance. For array fields, apply these guidelines to each element. If every element in an array field is significant, use one of the Arrays.equals methods.

6. Some object reference fields may legitimately contain null. To avoid the possibility of a NullPointerException, check such fields for equality using the static method Objects.equals(Object, Object).

   // Class with a typical equals method
   
   public final class PhoneNumber {
   
       private final short areaCode, prefix, lineNum;
   
       public PhoneNumber(int areaCode, int prefix, int lineNum) {
   
           this.areaCode = rangeCheck(areaCode,  999, "area code");
   
           this.prefix   = rangeCheck(prefix,    999, "prefix");
   
           this.lineNum  = rangeCheck(lineNum,  9999, "line num");
   
       }
   
       private static short rangeCheck(int val, int max, String arg) {
   
           if (val < 0 || val > max)
   
              throw new IllegalArgumentException(arg + ": " + val);
   
           return (short) val;
   
       }
   
       @Override public boolean equals(Object o) {
           if (o == this)
               return true;
           if (!(o instanceof PhoneNumber))
               return false;
           PhoneNumber pn = (PhoneNumber)o;
           return pn.lineNum == lineNum && pn.prefix == prefix
                   && pn.areaCode == areaCode;
       }
       ... // Remainder omitted
   
   }
   

To resolve this issue, Go to your Project properties -> Java compiler -> Select compiler compliance level to 1.6-> Apply.

I think of it this way

+----------------+
|     super      |
+----------------+ <-----------------+
| +------------+ |                   |
| |    this    | | <-+               |
| +------------+ |   |               |
| | @method1() | |   |               |
| | @method2() | |   |               |
| +------------+ |   |               |
|    method4()   |   |               |
|    method5()   |   |               |
+----------------+   |               |
    We instantiate that class, not that one!

Let me move that subclass a little to the left to reveal what's beneath... (Man, I do love ASCII graphics)

We are here
        |
       /  +----------------+
      |   |     super      |
      v   +----------------+
+------------+             |
|    this    |             |
+------------+             |
| @method1() | method1()   |
| @method2() | method2()   |
+------------+ method3()   |
          |    method4()   |
          |    method5()   |
          +----------------+

Then we call the method
over here...
      |               +----------------+
 _____/               |     super      |
/                     +----------------+
|   +------------+    |    bar()       |
|   |    this    |    |    foo()       |
|   +------------+    |    method0()   |
+-> | @method1() |--->|    method1()   | <------------------------------+
    | @method2() | ^  |    method2()   |                                |
    +------------+ |  |    method3()   |                                |
                   |  |    method4()   |                                |
                   |  |    method5()   |                                |
                   |  +----------------+                                |
                   \______________________________________              |
                                                          \             |
                                                          |             |
...which calls super, thus calling the super's method1() here, so that that
method (the overidden one) is executed instead[of the overriding one].

Keep in mind that, in the inheritance hierarchy, since the instantiated
class is the sub one, for methods called via super.something() everything
is the same except for one thing (two, actually): "this" means "the only
this we have" (a pointer to the class we have instantiated, the
subclass), even when java syntax allows us to omit "this" (most of the
time); "super", though, is polymorphism-aware and always refers to the
superclass of the class (instantiated or not) that we're actually
executing code from ("this" is about objects [and can't be used in a
static context], super is about classes).

In other words, quoting from the Java Language Specification:

The form super.Identifier refers to the field named Identifier of the current object, but with the current object viewed as an instance of the superclass of the current class.

The form T.super.Identifier refers to the field named Identifier of the lexically enclosing instance corresponding to T, but with that instance viewed as an instance of the superclass of T.

In layman's terms, this is basically an object (*the** object; the very same object you can move around in variables), the instance of the instantiated class, a plain variable in the data domain; super is like a pointer to a borrowed block of code that you want to be executed, more like a mere function call, and it's relative to the class where it is called.

Therefore if you use super from the superclass you get code from the superduper class [the grandparent] executed), while if you use this (or if it's used implicitly) from a superclass it keeps pointing to the subclass (because nobody has changed it - and nobody could).

This looks like a design flaw.

Remove the static keyword and set the variable for example in the constructor. This way Son just sets the variable to a different value in his constructor.

Calling virtual functions from a constructor or destructor is dangerous and should be avoided whenever possible. All C++ implementations should call the version of the function defined at the level of the hierarchy in the current constructor and no further.

The C++ FAQ Lite covers this in section 23.7 in pretty good detail. I suggest reading that (and the rest of the FAQ) for a followup.

Excerpt:

[...] In a constructor, the virtual call mechanism is disabled because overriding from derived classes hasn’t yet happened. Objects are constructed from the base up, “base before derived”.

[...]

Destruction is done “derived class before base class”, so virtual functions behave as in constructors: Only the local definitions are used – and no calls are made to overriding functions to avoid touching the (now destroyed) derived class part of the object.

EDIT Corrected Most to All (thanks litb)

In Java, the equals() method that is inherited from Object is:

public boolean equals(Object other);

In other words, the parameter must be of type Object. This is called overriding; your method public boolean equals(Book other) does what is called overloading to the equals() method.

The ArrayList uses overridden equals() methods to compare contents (e.g. for its contains() and equals() methods), not overloaded ones. In most of your code, calling the one that didn't properly override Object's equals was fine, but not compatible with ArrayList.

So, not overriding the method correctly can cause problems.

I override equals the following everytime:

@Override
public boolean equals(Object other){
    if (other == null) return false;
    if (other == this) return true;
    if (!(other instanceof MyClass)) return false;
    MyClass otherMyClass = (MyClass)other;
    ...test other properties here...
}

The use of the @Override annotation can help a ton with silly mistakes.

Use it whenever you think you are overriding a super class' or interface's method. That way, if you do it the wrong way, you will get a compile error.

As far as the compiler is concerned, those two methods are identical. There will be one implementation of both.

This isn't a problem if the two methods are effectively identical, in that they should have the same implementation. If they are contractually different (as per the documentation for each interface), you'll be in trouble.

There are two methods in super class as java.lang.Object. We need to override them to custom object.

public boolean equals(Object obj)
public int hashCode()

Equal objects must produce the same hash code as long as they are equal, however unequal objects need not produce distinct hash codes.

public class Test
{
    private int num;
    private String data;
    public boolean equals(Object obj)
    {
        if(this == obj)
            return true;
        if((obj == null) || (obj.getClass() != this.getClass()))
            return false;
        // object must be Test at this point
        Test test = (Test)obj;
        return num == test.num &&
        (data == test.data || (data != null && data.equals(test.data)));
    }

    public int hashCode()
    {
        int hash = 7;
        hash = 31 * hash + num;
        hash = 31 * hash + (null == data ? 0 : data.hashCode());
        return hash;
    }

    // other methods
}

If you want get more, please check this link as http://www.javaranch.com/journal/2002/10/equalhash.html

This is another example, http://java67.blogspot.com/2013/04/example-of-overriding-equals-hashcode-compareTo-java-method.html

Have Fun! @.@

If you call methods in your constructor that subclasses override, it means you are less likely to be referencing variables that don’t exist yet if you divide your initialization logically between the constructor and the method.

Have a look on this sample link http://www.javapractices.com/topic/TopicAction.do?Id=215

Underline to multiple strings in a sentence.

extension UILabel {
    func underlineMyText(range1:String, range2:String) {
        if let textString = self.text {

            let str = NSString(string: textString)
            let firstRange = str.range(of: range1)
            let secRange = str.range(of: range2)
            let attributedString = NSMutableAttributedString(string: textString)
            attributedString.addAttribute(NSAttributedString.Key.underlineStyle, value: NSUnderlineStyle.single.rawValue, range: firstRange)
            attributedString.addAttribute(NSAttributedString.Key.underlineStyle, value: NSUnderlineStyle.single.rawValue, range: secRange)
            attributedText = attributedString
        }
    }
}

Use by this way.

    lbl.text = "By continuing you agree to our Terms of Service and Privacy Policy."
    lbl.underlineMyText(range1: "Terms of Service", range2: "Privacy Policy.")

You can simply use:

mvn --settings YourOwnSettings.xml clean install

or

mvn -s YourOwnSettings.xml clean install

And as an addendum to all answers, FYI: override is not a keyword, but a special kind of identifier! It has meaning only in the context of declaring/defining virtual functions, in other contexts it's just an ordinary identifier. For details read 2.11.2 of The Standard.

#include <iostream>

struct base
{
    virtual void foo() = 0;
};

struct derived : base
{
    virtual void foo() override
    {
        std::cout << __PRETTY_FUNCTION__ << std::endl;
    }
};

int main()
{
    base* override = new derived();
    override->foo();
    return 0;
}

Output:

zaufi@gentop /work/tests $ g++ -std=c++11 -o override-test override-test.cc
zaufi@gentop /work/tests $ ./override-test
virtual void derived::foo()

From the article Override equals and hashCode in Java:

Default implementation of equals() class provided by java.lang.Object compares memory location and only return true if two reference variable are pointing to same memory location i.e. essentially they are same object.

Java recommends to override equals and hashCode method if equality is going to be defined by logical way or via some business logic: example:

many classes in Java standard library does override it e.g. String overrides equals, whose implementation of equals() method return true if content of two String objects are exactly same

Integer wrapper class overrides equals to perform numerical comparison etc.

In each class that you need to inherit from, you can run a loop of each class that needs init'd upon initiation of the child class...an example that can copied might be better understood...

class Female_Grandparent:
    def __init__(self):
        self.grandma_name = 'Grandma'

class Male_Grandparent:
    def __init__(self):
        self.grandpa_name = 'Grandpa'

class Parent(Female_Grandparent, Male_Grandparent):
    def __init__(self):
        Female_Grandparent.__init__(self)
        Male_Grandparent.__init__(self)

        self.parent_name = 'Parent Class'

class Child(Parent):
    def __init__(self):
        Parent.__init__(self)
#---------------------------------------------------------------------------------------#
        for cls in Parent.__bases__: # This block grabs the classes of the child
             cls.__init__(self)      # class (which is named 'Parent' in this case), 
                                     # and iterates through them, initiating each one.
                                     # The result is that each parent, of each child,
                                     # is automatically handled upon initiation of the 
                                     # dependent class. WOOT WOOT! :D
#---------------------------------------------------------------------------------------#



g = Female_Grandparent()
print g.grandma_name

p = Parent()
print p.grandma_name

child = Child()

print child.grandma_name

If you list the bakground-none class after the other classes, its properties will override those already set. There is no need to use !important here.

For example:

.red { background-color: red; }
.background-none { background: none; }

and

<a class="red background-none" href="#carousel">...</a>

The link will not have a red background. Please note that this only overrides properties that have a selector that is less or equally specific.

The examples above don't correctly apply this or pass arguments correctly to the function override. Underscore _.wrap() wraps existing functions, applies this and passes arguments correctly. See: http://underscorejs.org/#wrap

in overloading function with same name having different parameters whereas in overridding function having same name as well as same parameters replace the base class to the derived class (inherited class)

Static methods is a method whose single copy shared by all the objects of the class . Static method belongs to the class rather than objects .since static methods are not depend on the objects , Java Compiler need not wait till the objects creation .so to call static method we uses syntax like ClassName.method() ;

In case of method overloading , methods should be in the same class to overload .even if they are declared as static it is possible to overload them as ,

   Class Sample
    {
         static int calculate(int a,int b,int c)
           {
                int res = a+b+c;
                return res;
           }
           static int calculate(int a,int b)
           {
                int res = a*b;
                return res;
           }
}
class Test
{
   public static void main(String []args)
   {
     int res = Sample.calculate(10,20,30);
   }
}

But in case of method overriding , the method in the super class and the method in the sub class act as different method . the super class will have its own copy and the sub class will have its own copy so it does not come under method overriding .

No, you would need to give the do function in the constructor and the do function in the prototype different names.

The term overloading refers to having multiple versions of something with the same name, usually methods with different parameter lists

public int DoSomething(int objectId) { ... }
public int DoSomething(string objectName) { ... }

So these functions might do the same thing but you have the option to call it with an ID, or a name. Has nothing to do with inheritance, abstract classes, etc.

Overriding usually refers to polymorphism, as you described in your question

Overriding and Return Types, and Covariant Returns
the subclass must define a method that matches the inherited version exactly. Or, as of Java 5, you're allowed to change the return type in the

sample code

                                                                                                            class Alpha {
          Alpha doStuff(char c) {
                  return new Alpha();
              }
           }
             class Beta extends Alpha {
                    Beta doStuff(char c) { // legal override in Java 1.5
                    return new Beta();
                    }
             } } 

The C++ syntax is like this:

class Bar : public Foo {
  // ...

  void printStuff() {
    Foo::printStuff(); // calls base class' function
  }
};

I believe the reason why the first set of properties will not work is because there is no auto value for display, so that property should be ignored. In that case, inline-table will still take effect, and as width do not apply to inline elements, that set of properties will not do anything.

The second set of properties will simply hide the table, as that's what display: none is for.

Try resetting it to table instead:

table.other {
    width: auto;
    min-width: 0;
    display: table;
}

Edit: min-width defaults to 0, not auto

I had the same issues but nothing worked. What I did was I added this to the selector:

-webkit-appearance: none;
-moz-appearance: none;
appearance: none;

Make the function abstract, so that derived classes have no other choice than to override it.

@Ray Your code is invalid.

class parent {
public:
  virtual void handle_event(int something) const = 0 {
    // boring default code
  }
};

Abstract functions cannot have bodies defined inline. It must be modified to become

class parent {
public:
  virtual void handle_event(int something) const = 0;
};

void parent::handle_event( int something ) { /* do w/e you want here. */ }

Yes. Only override it in that one Activity with

@Override
public void onBackPressed()
{
     // code here to show dialog
     super.onBackPressed();  // optional depending on your needs
}

don't put this code in any other Activity

I believe this answer from UIFuel

<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">

     <!-- Drop Shadow Stack -->
     <item>
        <shape>
            <padding android:top="1dp" android:right="1dp" android:bottom="1dp" android:left="1dp" />
            <solid android:color="#00CCCCCC" />
        </shape>
    </item>
     <item>
        <shape>
            <padding android:top="1dp" android:right="1dp" android:bottom="1dp" android:left="1dp" />
            <solid android:color="#10CCCCCC" />
        </shape>
    </item>
     <item>
        <shape>
            <padding android:top="1dp" android:right="1dp" android:bottom="1dp" android:left="1dp" />
            <solid android:color="#20CCCCCC" />
        </shape>
    </item>
     <item>
        <shape>
            <padding android:top="1dp" android:right="1dp" android:bottom="1dp" android:left="1dp" />
            <solid android:color="#30CCCCCC" />
        </shape>
    </item>
    <item>
        <shape>
            <padding android:top="1dp" android:right="1dp" android:bottom="1dp" android:left="1dp" />
            <solid android:color="#50CCCCCC" />
        </shape>
    </item>

    <!-- Background -->
    <item>
    <shape>
            <solid android:color="@color/white" />
        <corners android:radius="3dp" />
    </shape>
    </item>
</layer-list>

Use the following code:

public void onBackPressed() {    
    Intent intent = new Intent();
    intent.setAction(Intent.ACTION_MAIN);
    intent.addCategory(Intent.CATEGORY_HOME);
    startActivity(intent);
}

You still have an option to implement in your enum this:

public static <T extends Enum<T>> T valueOf(Class<T> enumType, String name){...}

But if we write it ourselves, that constructor is called automatically.

That's not correct. The no-args constructor is called if you call it, and regardless of whether or not you wrote it yourself. It is also called automatically if you don't code an explicit super(...) call in a derived class.

None of this constitutes constructor overriding. There is no such thing in Java. There is constructor overloading, i.e. providing different argument sets.

I would like to point out over here that Overloading in PHP has a completely different meaning as compared to other programming languages. A lot of people have said that overloading isnt supported in PHP and by the conventional definition of overloading, yes that functionality isnt explicitly available.

However, the correct definition of overloading in PHP is completely different.

In PHP overloading refers to dynamically creating properties and methods using magic methods like __set() and __get(). These overloading methods are invoked when interacting with methods or properties that are not accessible or not declared.

Here is a link from the PHP manual : http://www.php.net/manual/en/language.oop5.overloading.php

• Method overloading would be an example of static polymorphism

• whereas overriding would be an example of dynamic polymorphism.

  Because, in case of overloading, at compile time the compiler knows which method to link to the call. However, it is determined at runtime for dynamic polymorphism

Method overloading deals with the notion of having two or more methods in the same class with the same name but different arguments.

void foo(int a)
void foo(int a, float b)

Method overriding means having two methods with the same arguments, but different implementations. One of them would exist in the parent class, while another will be in the derived, or child class. The @Override annotation, while not required, can be helpful to enforce proper overriding of a method at compile time.

class Parent {
    void foo(double d) {
        // do something
    }
}

class Child extends Parent {

    @Override
    void foo(double d){
        // this method is overridden.  
    }
}

Here is a simple explanation. A static method is associated with a class while an instance method is associated with a particular object. Overrides allow calling the different implementation of the overridden methods associated with the particular object. So it is counter-intuitive to override static method which is not even associated with objects but the class itself in the first place. So static methods cannot be overridden based on what object is calling it, it will always be associated with the class where it was created.

As of .NET 4.7 the preferred method of overriding GetHashCode() is shown below. If targeting older .NET versions, include the System.ValueTuple nuget package.

// C# 7.0+
public override int GetHashCode() => (FooId, FooName).GetHashCode();

In terms of performance, this method will outperform most composite hash code implementations. The ValueTuple is a struct so there won't be any garbage, and the underlying algorithm is as fast as it gets.

What about replace the item if you know the position:

aList[0]=2014

Or if you don't know the position loop in the list, find the item and then replace it

aList = [123, 'xyz', 'zara', 'abc']
    for i,item in enumerate(aList):
      if item==123:
        aList[i]=2014
        break
    
    print aList

Override another domain iframe CSS

By using part of SimpleSam5's answer, I achieved this with a few of Tawk's chat iframes (their customization interface is fine but I needed further customizations).

In this particular iframe that shows up on mobile devices, I needed to hide the default icon and place one of my background images. I did the following:

Tawk_API.onLoad = function() {
// without a specific API, you may try a similar load function
// perhaps with a setTimeout to ensure the iframe's content is fully loaded
  $('#mtawkchat-minified-iframe-element').
    contents().find("head").append(
     $("<style type='text/css'>"+
       "#tawkchat-status-text-container {"+
         "background: url(https://example.net/img/my_mobile_bg.png) no-repeat center center blue;"+
         "background-size: 100%;"+
       "} "+
       "#tawkchat-status-icon {display:none} </style>")
   );
};

I do not own any Tawk's domain and this worked for me, thus you may do this even if it's not from the same parent domain (despite Jeremy Becker's comment on Sam's answer).

Instead of override you can add another class to the element and then you have an extra abilities. for example:

HTML

<div class="style1 style2"></div>

CSS

//only style for the first stylesheet
.style1 {
   width: 100%;      
}
//only style for second stylesheet
.style2 {
   width: 50%;     
}
//override all
.style1.style2 { 
   width: 70%;
}

Since there is so much confusion about functionality of standard service accounts, I'll try to give a quick run down.

First the actual accounts:

• LocalService account (preferred)

  A limited service account that is very similar to Network Service and meant to run standard least-privileged services. However, unlike Network Service it accesses the network as an Anonymous user.

  • Name: NT AUTHORITY\LocalService
  • the account has no password (any password information you provide is ignored)
  • HKCU represents the LocalService user account
  • has minimal privileges on the local computer
  • presents anonymous credentials on the network
  • SID: S-1-5-19
  • has its own profile under the HKEY_USERS registry key (HKEY_USERS\S-1-5-19)

   

• NetworkService account

  Limited service account that is meant to run standard privileged services. This account is far more limited than Local System (or even Administrator) but still has the right to access the network as the machine (see caveat above).

  • NT AUTHORITY\NetworkService
  • the account has no password (any password information you provide is ignored)
  • HKCU represents the NetworkService user account
  • has minimal privileges on the local computer
  • presents the computer's credentials (e.g. MANGO$) to remote servers
  • SID: S-1-5-20
  • has its own profile under the HKEY_USERS registry key (HKEY_USERS\S-1-5-20)
  • If trying to schedule a task using it, enter NETWORK SERVICE into the Select User or Group dialog

   

• LocalSystem account (dangerous, don't use!)

  Completely trusted account, more so than the administrator account. There is nothing on a single box that this account cannot do, and it has the right to access the network as the machine (this requires Active Directory and granting the machine account permissions to something)

  • Name: .\LocalSystem (can also use LocalSystem or ComputerName\LocalSystem)
  • the account has no password (any password information you provide is ignored)
  • SID: S-1-5-18
  • does not have any profile of its own (HKCU represents the default user)
  • has extensive privileges on the local computer
  • presents the computer's credentials (e.g. MANGO$) to remote servers

   

Above when talking about accessing the network, this refers solely to SPNEGO (Negotiate), NTLM and Kerberos and not to any other authentication mechanism. For example, processing running as LocalService can still access the internet.

The general issue with running as a standard out of the box account is that if you modify any of the default permissions you're expanding the set of things everything running as that account can do. So if you grant DBO to a database, not only can your service running as Local Service or Network Service access that database but everything else running as those accounts can too. If every developer does this the computer will have a service account that has permissions to do practically anything (more specifically the superset of all of the different additional privileges granted to that account).

It is always preferable from a security perspective to run as your own service account that has precisely the permissions you need to do what your service does and nothing else. However, the cost of this approach is setting up your service account, and managing the password. It's a balancing act that each application needs to manage.

In your specific case, the issue that you are probably seeing is that the the DCOM or COM+ activation is limited to a given set of accounts. In Windows XP SP2, Windows Server 2003, and above the Activation permission was restricted significantly. You should use the Component Services MMC snapin to examine your specific COM object and see the activation permissions. If you're not accessing anything on the network as the machine account you should seriously consider using Local Service (not Local System which is basically the operating system).

In Windows Server 2003 you cannot run a scheduled task as

• NT_AUTHORITY\LocalService (aka the Local Service account), or
• NT AUTHORITY\NetworkService (aka the Network Service account).

That capability only was added with Task Scheduler 2.0, which only exists in Windows Vista/Windows Server 2008 and newer.

A service running as NetworkService presents the machine credentials on the network. This means that if your computer was called mango, it would present as the machine account MANGO$:

I ran into this error while trying to click some element (or its overlay, I didn't care), and the other answers didn't work for me. I fixed it by using the elementFromPoint DOM API to find the element that Selenium wanted me to click on instead:

element_i_care_about = something()
loc = element_i_care_about.location
element_to_click = driver.execute_script(
    "return document.elementFromPoint(arguments[0], arguments[1]);",
    loc['x'],
    loc['y'])
element_to_click.click()

I've also had situations where an element was moving, for example because an element above it on the page was doing an animated expand or collapse. In that case, this Expected Condition class helped. You give it the elements that are animated, not the ones you want to click. This version only works for jQuery animations.

class elements_not_to_be_animated(object):
    def __init__(self, locator):
        self.locator = locator

    def __call__(self, driver):
        try:
            elements = EC._find_elements(driver, self.locator)
            # :animated is an artificial jQuery selector for things that are
            # currently animated by jQuery.
            return driver.execute_script(
                'return !jQuery(arguments[0]).filter(":animated").length;',
                elements)
        except StaleElementReferenceException:
            return False

Use option bty = "n" in legend to remove the box around the legend. For example:

legend(1, 5,
       "This legend text should not be disturbed by the dotted grey lines,\nbut the plotted dots should still be visible",
       bty = "n")

Late answer but I think this library will help a lot with caching images : https://github.com/crypticminds/ColdStorage.

Simply annotate the ImageView with @LoadCache(R.id.id_of_my_image_view, "URL_to_downlaod_image_from) and it will take care of downloading the image and loading it into the image view. You can also specify a placeholder image and loading animation.

Detailed documentation of the annotation is present here :- https://github.com/crypticminds/ColdStorage/wiki/@LoadImage-annotation

Try this:

<style> 
p
{
    width:100px; 
    word-wrap:break-word;
}
</style>

<p>Loremipsumdolorsitamet,consecteturadipiscingelit.Fusce non nisl
non ante malesuada mollis quis ut ipsum. Cum sociis natoque penatibus et magnis dis 
parturient montes, nascetur ridiculus mus. Cras ut adipiscing dolor. Nunc congue, 
tellus vehicula mattis porttitor, justo nisi sollicitudin nulla, a rhoncus lectus lacus 
id turpis. Vivamus diam lacus, egestas nec bibendum eu, mattis eget risus</p>

Just paste this into your line of codes:

<meta http-equiv="X-UA-Compatible" content="IE=Edge" />

This works in Windows; didn't check Linux but don't see why it wouldn't work. Download the zip files for 5.6.8 portable. Unzip the files and copy the xampp/htdocs to the xampp/htdocs in your install directory.

I had this for MapActivity. Builds in Eclipse gets NoClassDefFound in debugger.

Forgot to add library to manifest, inside <Application>...</Application> element

<uses-library android:name="com.google.android.maps" />

Swift 3 Update

yourLabel.isUserInteractionEnabled = true

That's the reason not to put configuration into webapp.

As far as I know, there are no good ways to access files in webapp folder from the unit tests. You can put your configuration into src/main/resources instead, so that you can access it from your unit tests (as described in the docs), as well as from the webapp (using classpath: prefix in contextConfigLocation).

See also:

• 4.7 Application contexts and Resource paths

There's also Array.find() in ES6 which returns the first matching element it finds.

https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/find

const myArray = [1, 2, 3]

const myElement = myArray.find((element) => element === 2)

console.log(myElement)
// => 2

As a side note, here is a better alternative to implement the same sorting:

alist.sort(key=lambda x: x.foo)

Or alternatively:

import operator
alist.sort(key=operator.attrgetter('foo'))

Check out the Sorting How To, it is very useful.

Simple answer is you can't update an interval of already created timer. (There is only two functions setInterval/setTimer and clearInterval/clearTimer, so having a timerId you can only deactivate it.) But you can made some workarounds. Take a look at this github repo.

Ok, Denizens. So I have accepted the command line length limits as gospel for quite some time. So, what to do with one's assumptions? Naturally- check them.

I have a Fedora 22 machine at my disposal (meaning: Linux with bash4). I have created a directory with 500,000 inodes (files) in it each of 18 characters long. The command line length is 9,500,000 characters. Created thus:

seq 1 500000 | while read digit; do
    touch $(printf "abigfilename%06d\n" $digit);
done

And we note:

$ getconf ARG_MAX
2097152

Note however I can do this:

$ echo * > /dev/null

But this fails:

$ /bin/echo * > /dev/null
bash: /bin/echo: Argument list too long

I can run a for loop:

$ for f in *; do :; done

which is another shell builtin.

Careful reading of the documentation for ARG_MAX states, Maximum length of argument to the exec functions. This means: Without calling exec, there is no ARG_MAX limitation. So it would explain why shell builtins are not restricted by ARG_MAX.

And indeed, I can ls my directory if my argument list is 109948 files long, or about 2,089,000 characters (give or take). Once I add one more 18-character filename file, though, then I get an Argument list too long error. So ARG_MAX is working as advertised: the exec is failing with more than ARG_MAX characters on the argument list- including, it should be noted, the environment data.

This might work: You can disable selecting with css3 for text, image and basically everything.

.unselectable {
   -moz-user-select: -moz-none;
   -khtml-user-select: none;
   -webkit-user-select: none;

   /*
     Introduced in IE 10.
     See http://ie.microsoft.com/testdrive/HTML5/msUserSelect/
   */
   -ms-user-select: none;
   user-select: none;
}

Of course only for the newer browsers. For more details check:

How to disable text selection highlighting using CSS?

Collections are a resource so /appointments is fine as the resource.

Collections also typically offer filters via the querystring which is essentially what users=id1,id2... is.

So,

/appointments?users=id1,id2 

is fine as a filtered RESTful resource.

I use iterator and a while loop to store the various window handles and then switch back and forth.

//Click your link
driver.findElement(By.xpath("xpath")).click();
//Get all the window handles in a set
Set <String> handles =driver.getWindowHandles();
Iterator<String> it = handles.iterator();
//iterate through your windows
while (it.hasNext()){
String parent = it.next();
String newwin = it.next();
driver.switchTo().window(newwin);
//perform actions on new window
driver.close();
driver.switchTo().window(parent);
            }

Try this

SELECT DATEDIFF(DAY,  DATEADD(day, -1, '2013-03-13 00:00:00.000'), GETDATE())

OR

SELECT DATEDIFF(DAY,  DATEADD(day, -1, @CreatedDate), GETDATE())

A stub, in this context, means a mock implementation.

That is, a simple, fake implementation that conforms to the interface and is to be used for testing.

Use CreateDirectory (char *DirName, SECURITY_ATTRIBUTES Attribs);

If the function succeeds it returns non-zero otherwise NULL.

Add the below line in your app.gradle file before depencencies block.

configurations.all {
    resolutionStrategy {
        force 'com.android.support:support-annotations:26.1.0'
    }
}

There's also screenshot below for a better understanding.

2. the configurations.all block will only be helpful if you want your target sdk to be 26. If you can change it to 27 the error will be gone without adding the configuration block in app.gradle file.

3. There is one more way if you would remove all the test implementation from app.gradle file it would resolve the error and in this also you dont need to add the configuration block nor you need to change the targetsdk version.

Hope that helps.

SendRedirect() will search the content between the servers. it is slow because it has to intimate the browser by sending the URL of the content. then browser will create a new request for the content within the same server or in another one.

RquestDispatcher is for searching the content within the server i think. its the server side process and it is faster compare to the SendRedirect() method. but the thing is that it will not intimate the browser in which server it is searching the required date or content, neither it will not ask the browser to change the URL in URL tab. so it causes little inconvenience to the user.

Here's an answer with optional chaining, and perhaps the smallest isObj function for this question.

const isObj = o => o?.constructor === Object;_x000D_
_x000D_
// True for this_x000D_
console.log(isObj({}));        // object!_x000D_
_x000D_
// False for these_x000D_
console.log(isObj(0));         // number_x000D_
console.log(isObj([]));        // array_x000D_
console.log(isObj('lol'));     // string_x000D_
console.log(isObj(null));      // null_x000D_
console.log(isObj(undefined)); // undefined_x000D_
console.log(isObj(() => {}));  // function_x000D_
console.log(isObj(Object));    // class

You must group both columns, group and sub-group, then use the aggregate function COUNT().

SELECT
  group, subgroup, COUNT(*)
FROM
  groups
GROUP BY
  group, subgroup

Given the C99 standard (namely, the N1256 draft), the rules depend on the function kind: fprintf (printf, sprintf, ...) or scanf.

Here are relevant parts extracted:

Foreword

This second edition cancels and replaces the first edition, ISO/IEC 9899:1990, as amended and corrected by ISO/IEC 9899/COR1:1994, ISO/IEC 9899/AMD1:1995, and ISO/IEC 9899/COR2:1996. Major changes from the previous edition include:

• %lf conversion specifier allowed in printf

7.19.6.1 The fprintf function

7 The length modifiers and their meanings are:

l (ell) Specifies that (...) has no effect on a following a, A, e, E, f, F, g, or G conversion specifier.

L Specifies that a following a, A, e, E, f, F, g, or G conversion specifier applies to a long double argument.

The same rules specified for fprintf apply for printf, sprintf and similar functions.

7.19.6.2 The fscanf function

11 The length modifiers and their meanings are:

l (ell) Specifies that (...) that a following a, A, e, E, f, F, g, or G conversion specifier applies to an argument with type pointer to double;

L Specifies that a following a, A, e, E, f, F, g, or G conversion specifier applies to an argument with type pointer to long double.

12 The conversion specifiers and their meanings are: a,e,f,g Matches an optionally signed floating-point number, (...)

14 The conversion specifiers A, E, F, G, and X are also valid and behave the same as, respectively, a, e, f, g, and x.

The long story short, for fprintf the following specifiers and corresponding types are specified:

• %f -> double
• %Lf -> long double.

and for fscanf it is:

• %f -> float
• %lf -> double
• %Lf -> long double.

You appear to have a heredoc containing a single SQL*Plus command, though it doesn't look right as noted in the comments. You can either pass a value in the heredoc:

sqlplus -S user/pass@localhost << EOF
@/opt/D2RQ/file.sql BUILDING
exit;
EOF

or if BUILDING is $2 in your script:

sqlplus -S user/pass@localhost << EOF
@/opt/D2RQ/file.sql $2
exit;
EOF

If your file.sql had an exit at the end then it would be even simpler as you wouldn't need the heredoc:

sqlplus -S user/pass@localhost @/opt/D2RQ/file.sql $2

In your SQL you can then refer to the position parameters using substitution variables:

...
}',SEM_Models('&1'),NULL,
...

The &1 will be replaced with the first value passed to the SQL script, BUILDING; because that is a string it still needs to be enclosed in quotes. You might want to set verify off to stop if showing you the substitutions in the output.

You can pass multiple values, and refer to them sequentially just as you would positional parameters in a shell script - the first passed parameter is &1, the second is &2, etc. You can use substitution variables anywhere in the SQL script, so they can be used as column aliases with no problem - you just have to be careful adding an extra parameter that you either add it to the end of the list (which makes the numbering out of order in the script, potentially) or adjust everything to match:

sqlplus -S user/pass@localhost << EOF
@/opt/D2RQ/file.sql total_count BUILDING
exit;
EOF

or:

sqlplus -S user/pass@localhost << EOF
@/opt/D2RQ/file.sql total_count $2
exit;
EOF

If total_count is being passed to your shell script then just use its positional parameter, $4 or whatever. And your SQL would then be:

SELECT COUNT(*) as &1
FROM TABLE(SEM_MATCH(
'{
        ?s rdf:type :ProcessSpec .
        ?s ?p ?o
}',SEM_Models('&2'),NULL,
SEM_ALIASES(SEM_ALIAS('','http://VISION/DataSource/SEMANTIC_CACHE#')),NULL));

If you pass a lot of values you may find it clearer to use the positional parameters to define named parameters, so any ordering issues are all dealt with at the start of the script, where they are easier to maintain:

define MY_ALIAS = &1
define MY_MODEL = &2

SELECT COUNT(*) as &MY_ALIAS
FROM TABLE(SEM_MATCH(
'{
        ?s rdf:type :ProcessSpec .
        ?s ?p ?o
}',SEM_Models('&MY_MODEL'),NULL,
SEM_ALIASES(SEM_ALIAS('','http://VISION/DataSource/SEMANTIC_CACHE#')),NULL));

From your separate question, maybe you just wanted:

SELECT COUNT(*) as &1
FROM TABLE(SEM_MATCH(
'{
        ?s rdf:type :ProcessSpec .
        ?s ?p ?o
}',SEM_Models('&1'),NULL,
SEM_ALIASES(SEM_ALIAS('','http://VISION/DataSource/SEMANTIC_CACHE#')),NULL));

... so the alias will be the same value you're querying on (the value in $2, or BUILDING in the original part of the answer). You can refer to a substitution variable as many times as you want.

That might not be easy to use if you're running it multiple times, as it will appear as a header above the count value in each bit of output. Maybe this would be more parsable later:

select '&1' as QUERIED_VALUE, COUNT(*) as TOTAL_COUNT

If you set pages 0 and set heading off, your repeated calls might appear in a neat list. You might also need to set tab off and possibly use rpad('&1', 20) or similar to make that column always the same width. Or get the results as CSV with:

select '&1' ||','|| COUNT(*)

Depends what you're using the results for...

Yes, like in plain sql you could specify what kind of properties you want to select:

SELECT i.firstProperty, i.secondProperty FROM ObjectName i WHERE i.id=10

Executing this query will return a list of Object[], where each array contains the selected properties of one object.

Another way is to wrap the selected properties in a custom object and execute it in a TypedQuery:

String query = "SELECT NEW CustomObject(i.firstProperty, i.secondProperty) FROM ObjectName i WHERE i.id=10";
TypedQuery<CustomObject> typedQuery = em.createQuery(query , CustomObject.class);
List<CustomObject> results = typedQuery.getResultList();

Examples can be found in this article.

UPDATE 29.03.2018:

@Krish:

@PatrickLeitermann for me its giving "Caused by: org.hibernate.hql.internal.ast.QuerySyntaxException: Unable to locate class ***" exception . how to solve this ?

I guess you’re using JPA in the context of a Spring application, don't you? Some other people had exactly the same problem and their solution was adding the fully qualified name (e. g. com.example.CustomObject) after the SELECT NEW keywords.

Maybe the internal implementation of the Spring data framework only recognizes classes annotated with @Entity or registered in a specific orm file by their simple name, which causes using this workaround.

With the integration of the invisible reCAPTCHA you can do the following:

To enable the Invisible reCAPTCHA, rather than put the parameters in a div, you can add them directly to an html button.

a. data-callback=””. This works just like the checkbox captcha, but is required for invisible.

b. data-badge: This allows you to reposition the reCAPTCHA badge (i.e. logo and ‘protected by reCAPTCHA’ text) . Valid options as ‘bottomright’ (the default), ‘bottomleft’ or ‘inline’ which will put the badge directly above the button. If you make the badge inline, you can control the CSS of the badge directly.

Clearly you aren't sending the data with ObjectOutputStream: you are just writing the bytes.

• If you read with readObject() you must write with writeObject().
• If you read with readUTF() you must write with writeUTF().
• If you read with readXXX() you must write with writeXXX(), for most values of XXX.

If you set the cell formatting to Text prior to adding a numeric value with a leading zero, the leading zero is retained without having to skew results by adding an apostrophe. If you try and manually add a leading zero value to a default sheet in Excel and then convert it to text, the leading zero is removed. If you convert the cell to Text first, then add your value, it is fine. Same principle applies when doing it programatically.

        // Pull in all the cells of the worksheet
        Range cells = xlWorkBook.Worksheets[1].Cells;
        // set each cell's format to Text
        cells.NumberFormat = "@";
        // reset horizontal alignment to the right
        cells.HorizontalAlignment = XlHAlign.xlHAlignRight;

        // now add values to the worksheet
        for (i = 0; i <= dataGridView1.RowCount - 1; i++)
        {
            for (j = 0; j <= dataGridView1.ColumnCount - 1; j++)
            {
                DataGridViewCell cell = dataGridView1[j, i];
                xlWorkSheet.Cells[i + 1, j + 1] = cell.Value.ToString();
            }
        }

If you want the basics, you can access the keys via:

string myKey = System.Configuration.ConfigurationManager.AppSettings["myKey"].ToString();
string imageFolder = System.Configuration.ConfigurationManager.AppSettings["imageFolder"].ToString();

To access my web config keys I always make a static class in my application. It means I can access them wherever I require and I'm not using the strings all over my application (if it changes in the web config I'd have to go through all the occurrences changing them). Here's a sample:

using System.Configuration;

public static class AppSettingsGet
{    
    public static string myKey
    {
        get { return ConfigurationManager.AppSettings["myKey"].ToString(); }
    }

    public static string imageFolder
    {
        get { return ConfigurationManager.AppSettings["imageFolder"].ToString(); }
    }

    // I also get my connection string from here
    public static string ConnectionString
    {
       get { return ConfigurationManager.ConnectionStrings["ConnectionString"].ConnectionString; }
    }
}

I wanted the real deal, so I add UIImageView as a subview of the UITextView. This matches the native border on a UITextField, including the gradient from top to bottom:

textView.backgroundColor = [UIColor clearColor];
UIImageView *borderView = [[UIImageView alloc] initWithFrame: CGRectMake(0, 0, textView.frame.size.width, textView.frame.size.height)];
borderView.autoresizingMask = UIViewAutoresizingFlexibleHeight | UIViewAutoresizingFlexibleWidth;
UIImage *textFieldImage = [[UIImage imageNamed:@"TextField.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(15, 8, 15, 8)];
borderView.image = textFieldImage;
[textField addSubview: borderView];
[textField sendSubviewToBack: borderView];

These are the images I use:

To get default java settings just use :

java -XshowSettings 

To specifically answer a part of your question "Is there any situation in which it would be better to use one or the other?", consider a form with repeating sections. If the repeating section contains many select tags, then the options must be rendered for each select, for every row.

In such a case, I would consider using datalist with input, because the same datalist can be used for any number of inputs. This could potentially save a large amount of rendering time on the server, and would scale much better to any number of rows.

TL;DR:

Use the below if you care about shell exit statuses:

• branch-current - the current branch's name
• branch-names - clean branch names (one per line)
• branch-name - Ensure that only one branch is returned from branch-names

Both branch-name and branch-names accept a commit as the argument, and default to HEAD if none is given.

Aliases useful in scripting

branch-current = "symbolic-ref --short HEAD"  # https://stackoverflow.com/a/19585361/5353461
branch-names = !"[ -z \"$1\" ] && git branch-current 2>/dev/null || git branch --format='%(refname:short)' --contains \"${1:-HEAD}\" #"  # https://stackoverflow.com/a/19585361/5353461
branch-name = !"br=$(git branch-names \"$1\") && case \"$br\" in *$'\\n'*) printf \"Multiple branches:\\n%s\" \"$br\">&2; exit 1;; esac; echo \"$br\" #"

Commit only reachable from only one branch

% git branch-name eae13ea
master
% echo $?
0

• Output is to STDOUT
• Exit value is 0.

Commit reachable from multiple branches

% git branch-name 4bc6188
Multiple branches:
attempt-extract
master%
% echo $?
1

• Output is to STDERR
• The exit value is 1.

Because of the exit status, these can be safely built upon. For example, to get the remote used for fetching:

remote-fetch = !"branch=$(git branch-name \"$1\") && git config branch.\"$branch\".remote || echo origin #"

Just an update of James' answer.

Isn't this the normal way to free the memory associated with an object?

Yes. It is the normal way to free memory. But new/delete operator always leads to memory leak problem.

Since c++17 already removed auto_ptr auto_ptr. I suggest shared_ptr or unique_ptr to handle the memory problems.

void test()
{
    std::shared_ptr<Object1> obj1(new Object1);

} // The object is automatically deleted when the scope ends or reference counting reduces to 0.

• The reason for removing auto_ptr is that auto_ptr is not stable in case of coping semantics
• If you are sure about no coping happening during the scope, a unique_ptr is suggested.
• If there is a circular reference between the pointers, I suggest having a look at weak_ptr.

In my case eclipse.ini entry for --launcher.library was :

--launcher.library C:\Users\UserName\.p2\pool\plugins\org.eclipse.equinox.launcher.win32.win32.x86_64_1.1.551.v20171108-1834

and on my machine 'C:\Users\UserName\.p2\' folder was missing hence installed the eclipse again which created the .p2 folder structure at required location and now I am able to login successfully.

I hope this will be helpful.. If I understood the problem

html{
     background-color:green;
}

body {
    position:relative; 
    left:200px;    
    background-color:red;
}
div{
    position:relative;  
    left:100px;
    width:100px;
    height:100px;
    background-color:blue;
}

http://jsfiddle.net/6M6ZQ/

Try this...

if(string1.toLowerCase() == string2.toLowerCase()){
    return true;
}

Also, it's not a loop, it's a block of code. Loops are generally repeated (although they can possibly execute only once), whereas a block of code never repeats.

I read your note about not using toLowerCase, but can't see why it would be a problem.

It won't throw exception, you'll get an empty list.

There are errors in your meta tag.

Yours:

<meta http-equiv="Content-Security-Policy" content="default-src *; style-src 'self' 'unsafe-inline'; script-src: 'self' 'unsafe-inline' 'unsafe-eval'>

Corrected:

<meta http-equiv="Content-Security-Policy" content="default-src *; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-inline' 'unsafe-eval'"/>

Note the colon after "script-src", and the end double-quote of the meta tag.

Yes, it's working:

<select name="somename" required>
     <option value="">Please select</option>
     <option value="one">One</option>
</select>

you have to keep first option blank.

Just to add, I am using self object, this worked for me:

[f.name for f in self.model._meta.get_fields()]

var a = ['a','b','c'];
var b = ['d','e','f'];
var c = a.concat(b); //c is now an an array with: ['a','b','c','d','e','f']
console.log( c[3] ); //c[3] will be 'd'

You can use a static Map in your enum that maps Strings to enum constants. Use it in a 'getEnum' static method. This skips the need to iterate through the enums each time you want to get one from its String value.

public enum RandomEnum {

    StartHere("Start Here"),
    StopHere("Stop Here");

    private final String strVal;
    private RandomEnum(String strVal) {
        this.strVal = strVal;
    }

    public static RandomEnum getEnum(String strVal) {
        if(!strValMap.containsKey(strVal)) {
            throw new IllegalArgumentException("Unknown String Value: " + strVal);
        }
        return strValMap.get(strVal);
    }

    private static final Map<String, RandomEnum> strValMap;
    static {
        final Map<String, RandomEnum> tmpMap = Maps.newHashMap();
        for(final RandomEnum en : RandomEnum.values()) {
            tmpMap.put(en.strVal, en);
        }
        strValMap = ImmutableMap.copyOf(tmpMap);
    }

    @Override
    public String toString() {
        return strVal;
    }
}

Just make sure the static initialization of the map occurs below the declaration of the enum constants.

BTW - that 'ImmutableMap' type is from the Google guava API, and I definitely recommend it in cases like this.

EDIT - Per the comments:

1. This solution assumes that each assigned string value is unique and non-null. Given that the creator of the enum can control this, and that the string corresponds to the unique & non-null enum value, this seems like a safe restriction.
2. I added the 'toSTring()' method as asked for in the question

If you actually create the buffer as per dirks suggestion, then:

  int readResult = read(socketFileDescriptor, buffer, BUFFER_SIZE);

may completely fill the buffer, possibly overwriting the terminating zero character which you depend on when extracting to a stringstream. You need:

  int readResult = read(socketFileDescriptor, buffer, BUFFER_SIZE - 1 );

You reference a Linux distribution, so you need to install the readline development libraries

On Debian based platforms, like Ubuntu, you can run:

sudo apt-get install libreadline-dev 

and that should install the correct headers in the correct places,.

If you use a platform with yum, like SUSE, then the command should be:

yum install readline-devel

    .switch
    {
            width: 50px;
            height: 30px;
            position: relative;
            display:inline-block;
    }

    .switch input
    {
            display: none;
    }

    .slider
    {
            position: absolute;
            top: 0;
            bottom: 0;
            right: 0;
            left: 0;
            cursor: pointer;
            background-color: gray;
            border-radius: 30px;

    }
    .slider:before
    {

        position: absolute;
        background-color: #fff;
        height: 20px;
        width: 20px;
        content: "";
        left: 5px;
        bottom: 5px;
        border-radius: 50%;
        transition: ease-in-out .5s;
    }

    .slider:after
    {
        content: "Off";

        color: white;
        display: block;
        position: absolute;
        transform: translate(-50%,-50%);
        top: 50%;
        left: 70%;
        transition: all .5s;
        font-size: 10px;
        font-family: Verdana,sans-serif;
    }

    input:checked + .slider:after
    {
        transition: all .5s;
        left: 30%;
        content: "On"

    }
    input:checked + .slider
    {
        background-color: blue;

    }

    input:checked + .slider:before
    {
        transform: translateX(20px);
    }



    **The HTML CODE**

    <label class="switch">

                <input type="checkbox"/>

                 <div class="slider">

                </div>
        </label>


If You want to add long text like activate or Deactivate

just make few changes 

.switch
{
        width:90px
}
.slider:after
{
     left: 60%; //as you want in percenatge
}
input:checked + .slider:after
{
       left:40%; //exactly opposite of .slider:after 
}

and last

input:checked + .slider:before
{
    transform: translateX(60px); //as per your choice but 60px is perfect
}

content as per your choice where you have witten "On" and "Off"

I think he's using Python 3.0 and you're using Python 2.6.

Try adding below CSS

textarea
{
    overflow-y:scroll;
}

This behavior is explicitly documented in String.split(String regex) (emphasis mine):

This method works as if by invoking the two-argument split method with the given expression and a limit argument of zero. Trailing empty strings are therefore not included in the resulting array.

If you want those trailing empty strings included, you need to use String.split(String regex, int limit) with a negative value for the second parameter (limit):

String[] array = values.split("\\|", -1);

For Ubndu 18.04 sudo lsof -t -i tcp:3000 | xargs kill -9

Its happen when port was unsucessfully terminated so this command will terminat it 4200 or 3000 or3300 any

CollectionViews are very powerful, and they come at a price. Lots, and lots of options. As omz said:

there are multiple ways you could change the number of columns

I'd suggest implementing the <UICollectionViewDelegateFlowLayout> Protocol, giving you access to the following methods in which you can have greater control over the layout of your UICollectionView, without the need for subclassing it:

• collectionView:layout:insetForSectionAtIndex:
• collectionView:layout:minimumInteritemSpacingForSectionAtIndex:
• collectionView:layout:minimumLineSpacingForSectionAtIndex:
• collectionView:layout:referenceSizeForFooterInSection:
• collectionView:layout:referenceSizeForHeaderInSection:
• collectionView:layout:sizeForItemAtIndexPath:

Also, implementing the following method will force your UICollectionView to update it's layout on an orientation change: (say you wanted to re-size the cells for landscape and make them stretch)

-(void)willRotateToInterfaceOrientation:(UIInterfaceOrientation)toInterfaceOrientation
                               duration:(NSTimeInterval)duration{

    [self.myCollectionView.collectionViewLayout invalidateLayout];
}

Additionally, here are 2 really good tutorials on UICollectionViews:

http://www.raywenderlich.com/22324/beginning-uicollectionview-in-ios-6-part-12

http://skeuo.com/uicollectionview-custom-layout-tutorial

For completeness these are the cmap choices I encountered so far:

Accent, Accent_r, Blues, Blues_r, BrBG, BrBG_r, BuGn, BuGn_r, BuPu, BuPu_r, CMRmap, CMRmap_r, Dark2, Dark2_r, GnBu, GnBu_r, Greens, Greens_r, Greys, Greys_r, OrRd, OrRd_r, Oranges, Oranges_r, PRGn, PRGn_r, Paired, Paired_r, Pastel1, Pastel1_r, Pastel2, Pastel2_r, PiYG, PiYG_r, PuBu, PuBuGn, PuBuGn_r, PuBu_r, PuOr, PuOr_r, PuRd, PuRd_r, Purples, Purples_r, RdBu, RdBu_r, RdGy, RdGy_r, RdPu, RdPu_r, RdYlBu, RdYlBu_r, RdYlGn, RdYlGn_r, Reds, Reds_r, Set1, Set1_r, Set2, Set2_r, Set3, Set3_r, Spectral, Spectral_r, Wistia, Wistia_r, YlGn, YlGnBu, YlGnBu_r, YlGn_r, YlOrBr, YlOrBr_r, YlOrRd, YlOrRd_r, afmhot, afmhot_r, autumn, autumn_r, binary, binary_r, bone, bone_r, brg, brg_r, bwr, bwr_r, cividis, cividis_r, cool, cool_r, coolwarm, coolwarm_r, copper, copper_r, cubehelix, cubehelix_r, flag, flag_r, gist_earth, gist_earth_r, gist_gray, gist_gray_r, gist_heat, gist_heat_r, gist_ncar, gist_ncar_r, gist_rainbow, gist_rainbow_r, gist_stern, gist_stern_r, gist_yarg, gist_yarg_r, gnuplot, gnuplot2, gnuplot2_r, gnuplot_r, gray, gray_r, hot, hot_r, hsv, hsv_r, inferno, inferno_r, jet, jet_r, magma, magma_r, nipy_spectral, nipy_spectral_r, ocean, ocean_r, pink, pink_r, plasma, plasma_r, prism, prism_r, rainbow, rainbow_r, seismic, seismic_r, spring, spring_r, summer, summer_r, tab10, tab10_r, tab20, tab20_r, tab20b, tab20b_r, tab20c, tab20c_r, terrain, terrain_r, twilight, twilight_r, twilight_shifted, twilight_shifted_r, viridis, viridis_r, winter, winter_r

The magic method __getitem__ is basically used for accessing list items, dictionary entries, array elements etc. It is very useful for a quick lookup of instance attributes.

Here I am showing this with an example class Person that can be instantiated by 'name', 'age', and 'dob' (date of birth). The __getitem__ method is written in a way that one can access the indexed instance attributes, such as first or last name, day, month or year of the dob, etc.

import copy

# Constants that can be used to index date of birth's Date-Month-Year
D = 0; M = 1; Y = -1

class Person(object):
    def __init__(self, name, age, dob):
        self.name = name
        self.age = age
        self.dob = dob

    def __getitem__(self, indx):
        print ("Calling __getitem__")
        p = copy.copy(self)

        p.name = p.name.split(" ")[indx]
        p.dob = p.dob[indx] # or, p.dob = p.dob.__getitem__(indx)
        return p

Suppose one user input is as follows:

p = Person(name = 'Jonab Gutu', age = 20, dob=(1, 1, 1999))

With the help of __getitem__ method, the user can access the indexed attributes. e.g.,

print p[0].name # print first (or last) name
print p[Y].dob  # print (Date or Month or ) Year of the 'date of birth'

Try below code if you want to use php loop to display

<span>
  <select name="birth_month">
    <?php for( $m=1; $m<=12; ++$m ) { 
      $month_label = date('F', mktime(0, 0, 0, $m, 1));
    ?>
      <option value="<?php echo $month_label; ?>"><?php echo $month_label; ?></option>
    <?php } ?>
  </select> 
</span>
<span>
  <select name="birth_day">
    <?php 
      $start_date = 1;
      $end_date   = 31;
      for( $j=$start_date; $j<=$end_date; $j++ ) {
        echo '<option value='.$j.'>'.$j.'</option>';
      }
    ?>
  </select>
</span>
<span>
  <select name="birth_year">
    <?php 
      $year = date('Y');
      $min = $year - 60;
      $max = $year;
      for( $i=$max; $i>=$min; $i-- ) {
        echo '<option value='.$i.'>'.$i.'</option>';
      }
    ?>
  </select>
</span>

Here is an answer based on that by Anubis (which is a better approach as it doesn't modify the headers for every request) but which is more equivalent to the code in the original question:

using Newtonsoft.Json;
...

var client = new HttpClient();
var httpRequestMessage = new HttpRequestMessage
    {
        Method = HttpMethod.Post,
        RequestUri = new Uri("https://api.clickatell.com/rest/message"),
        Headers = { 
            { HttpRequestHeader.Authorization.ToString(), "Bearer xxxxxxxxxxxxxxxxxxx" },
            { HttpRequestHeader.Accept.ToString(), "application/json" },
            { "X-Version", "1" }
        },
        Content = new StringContent(JsonConvert.SerializeObject(svm))
    };

var response = client.SendAsync(httpRequestMessage).Result;

To Change Button title:

[mybtn setTitle:@"My Button" forState:UIControlStateNormal];
[mybtn setTitleColor:[UIColor blueColor] forState:UIControlStateNormal];

For Disable:

[mybtn setEnabled:NO];

You could replace something in there by getting the index along with the item.

>>> foo = ['a', 'b', 'c', 'A', 'B', 'C']
>>> for index, item in enumerate(foo):
...     print(index, item)
...
(0, 'a')
(1, 'b')
(2, 'c')
(3, 'A')
(4, 'B')
(5, 'C')
>>> for index, item in enumerate(foo):
...     if item in ('a', 'A'):
...         foo[index] = 'replaced!'
...
>>> foo
['replaced!', 'b', 'c', 'replaced!', 'B', 'C']

Note that if you want to remove something from the list you have to iterate over a copy of the list, else you will get errors since you're trying to change the size of something you are iterating over. This can be done quite easily with slices.

Wrong:

>>> foo = ['a', 'b', 'c', 1, 2, 3]
>>> for item in foo:
...     if isinstance(item, int):
...         foo.remove(item)
...
>>> foo 
['a', 'b', 'c', 2]

The 2 is still in there because we modified the size of the list as we iterated over it. The correct way would be:

>>> foo = ['a', 'b', 'c', 1, 2, 3]
>>> for item in foo[:]:
...     if isinstance(item, int):
...         foo.remove(item)
...
>>> foo 
['a', 'b', 'c']

Suppose you want to store the result of an echo command

echo hello   
x=$(echo hello)  
echo "$x",world!  

output:

hello  
hello,world!

You are sending a post type with data implemented for a get. your form must be the following:

$.ajax({
url: url,
method: "POST",
data: {data1:"data1",data2:"data2"},
...

try this:

<div style='overflow:auto; width:400px;height:400px;'>here is some text</div>

As mentioned below, and detailed in "How would I extract a single file (or changes to a file) from a git stash?", you can apply use git checkout or git show to restore a specific file.

git checkout stash@{0} -- <filename>

With Git 2.23+ (August 2019), use git restore, which replaces the confusing git checkout command:

git restore -s stash@{0} -- <filename>

That does overwrite filename: make sure you didn't have local modifications, or you might want to merge the stashed file instead.

(As commented by Jaime M., for certain shell like tcsh where you need to escape the special characters, the syntax would be: git checkout 'stash@{0}' -- <filename>)

or to save it under another filename:

git show stash@{0}:<full filename>  >  <newfile>

(note that here <full filename> is full pathname of a file relative to top directory of a project (think: relative to stash@{0})).

yucer suggests in the comments:

If you want to select manually which changes you want to apply from that file:

git difftool stash@{0}..HEAD -- <filename>

Vivek adds in the comments:

Looks like "git checkout stash@{0} -- <filename>" restores the version of the file as of the time when the stash was performed -- it does NOT apply (just) the stashed changes for that file.
To do the latter:

git diff stash@{0}^1 stash@{0} -- <filename> | git apply

(as commented by peterflynn, you might need | git apply -p1 in some cases, removing one (p1) leading slash from traditional diff paths)

As commented: "unstash" (git stash pop), then:

• add what you want to keep to the index (git add)
• stash the rest: git stash --keep-index

The last point is what allows you to keep some file while stashing others.
It is illustrated in "How to stash only one file out of multiple files that have changed".

I have been using this function for a while with no problems. You just need to provide the number columns there are in the csv file, and it will take the header names from the first row and create the table for you:

create or replace function data.load_csv_file
    (
        target_table  text, -- name of the table that will be created
        csv_file_path text,
        col_count     integer
    )

    returns void

as $$

declare
    iter      integer; -- dummy integer to iterate columns with
    col       text; -- to keep column names in each iteration
    col_first text; -- first column name, e.g., top left corner on a csv file or spreadsheet

begin
    set schema 'data';

    create table temp_table ();

    -- add just enough number of columns
    for iter in 1..col_count
    loop
        execute format ('alter table temp_table add column col_%s text;', iter);
    end loop;

    -- copy the data from csv file
    execute format ('copy temp_table from %L with delimiter '','' quote ''"'' csv ', csv_file_path);

    iter := 1;
    col_first := (select col_1
                  from temp_table
                  limit 1);

    -- update the column names based on the first row which has the column names
    for col in execute format ('select unnest(string_to_array(trim(temp_table::text, ''()''), '','')) from temp_table where col_1 = %L', col_first)
    loop
        execute format ('alter table temp_table rename column col_%s to %s', iter, col);
        iter := iter + 1;
    end loop;

    -- delete the columns row // using quote_ident or %I does not work here!?
    execute format ('delete from temp_table where %s = %L', col_first, col_first);

    -- change the temp table name to the name given as parameter, if not blank
    if length (target_table) > 0 then
        execute format ('alter table temp_table rename to %I', target_table);
    end if;
end;

$$ language plpgsql;

try changing in the gradle file the targetSdkVersion to 8

targetSdkVersion 8

Either what Ant says, or accumulate into a string, then print once:

s = '';
for i in xrange(20):
    s += 'a'
print s

The following command works for me too. I am using an embedded IPython Notebook in Anaconda.

conda install -c https://conda.binstar.org/menpo opencv

sometimes this error came beacause failed to compile in middlest of any build. The best way to try is by doing make clean and again make the whole code .

<html>
<head>
<script src="http://ajax.googleapis.com/ajax/libs/jquery/1.4/jquery.min.js"></script>
<script>

function showButtons () { $('#b1, #b2, #b3').show(); }

</script>
<style type="text/css">
#b1, #b2, #b3 {
display: none;
}

</style>
</head>
<body>

<a href="#" onclick="showButtons();">Show me the money!</a>

<input type="submit" id="b1" value="B1" />
<input type="submit" id="b2" value="B2"/>
<input type="submit" id="b3" value="B3" />

</body>
</html>

To center align text

input[type='text'] { text-align:center;}

To center align the textbox in the container that it sits in, apply text-align:center to the container.

Let's fit the model:

> library(ISwR)
> fit <- lm(metabolic.rate ~ body.weight, rmr)
> summary(fit)

Call:
lm(formula = metabolic.rate ~ body.weight, data = rmr)

Residuals:
    Min      1Q  Median      3Q     Max 
-245.74 -113.99  -32.05  104.96  484.81 

Coefficients:
            Estimate Std. Error t value Pr(>|t|)    
(Intercept) 811.2267    76.9755  10.539 2.29e-13 ***
body.weight   7.0595     0.9776   7.221 7.03e-09 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1 

Residual standard error: 157.9 on 42 degrees of freedom
Multiple R-squared: 0.5539, Adjusted R-squared: 0.5433 
F-statistic: 52.15 on 1 and 42 DF,  p-value: 7.025e-09 

The 95% confidence interval for the slope is the estimated coefficient (7.0595) ± two standard errors (0.9776).

This can be computed using confint:

> confint(fit, 'body.weight', level=0.95)
               2.5 % 97.5 %
body.weight 5.086656 9.0324

If you want to center the content horizontally and vertically, but don't know in prior how high your page will be, you have to you use JavaScript.

HTML:

<body>
    <div id="content">...</div>
</body>

CSS:

#content {
    max-width: 1000px;
    margin: auto;
    left: 1%;
    right: 1%;
    position: absolute;
}

JavaScript (using jQuery):

$(function() {
    $(window).on('resize', function resize()  {
        $(window).off('resize', resize);
        setTimeout(function () {
            var content = $('#content');
            var top = (window.innerHeight - content.height()) / 2;
            content.css('top', Math.max(0, top) + 'px');
            $(window).on('resize', resize);
        }, 50);
    }).resize();
});

Demo: http://jsfiddle.net/nBzcb/

If a case-insensitive comparison is acceptable, just use =:

=IF(A1="ENG",1,0)

On Mac OS X, the way I enabled Jenkins to pull from my (private) Github repo is:

First, ensure that your user owns the Jenkins directory

sudo chown -R me:me /Users/Shared/Jenkins

Then edit the LaunchDaemon plist for Jenkins (at /Library/LaunchDaemons/org.jenkins-ci.plist) so that your user is the GroupName and the UserName:

    <key>GroupName</key>
    <string>me</string>
...
    <key>UserName</key>
    <string>me</string>

Then reload Jenkins:

sudo launchctl unload -w /Library/LaunchDaemons/org.jenkins-ci.plist
sudo launchctl load -w /Library/LaunchDaemons/org.jenkins-ci.plist

Then Jenkins, since it's running as you, has access to your ~/.ssh directory which has your keys.

import java.util.regex.*;
import java.util.LinkedList;

public class Splitter {
    private static final Pattern DEFAULT_PATTERN = Pattern.compile("\\s+");

    private Pattern pattern;
    private boolean keep_delimiters;

    public Splitter(Pattern pattern, boolean keep_delimiters) {
        this.pattern = pattern;
        this.keep_delimiters = keep_delimiters;
    }
    public Splitter(String pattern, boolean keep_delimiters) {
        this(Pattern.compile(pattern==null?"":pattern), keep_delimiters);
    }
    public Splitter(Pattern pattern) { this(pattern, true); }
    public Splitter(String pattern) { this(pattern, true); }
    public Splitter(boolean keep_delimiters) { this(DEFAULT_PATTERN, keep_delimiters); }
    public Splitter() { this(DEFAULT_PATTERN); }

    public String[] split(String text) {
        if (text == null) {
            text = "";
        }

        int last_match = 0;
        LinkedList<String> splitted = new LinkedList<String>();

        Matcher m = this.pattern.matcher(text);

        while (m.find()) {

            splitted.add(text.substring(last_match,m.start()));

            if (this.keep_delimiters) {
                splitted.add(m.group());
            }

            last_match = m.end();
        }

        splitted.add(text.substring(last_match));

        return splitted.toArray(new String[splitted.size()]);
    }

    public static void main(String[] argv) {
        if (argv.length != 2) {
            System.err.println("Syntax: java Splitter <pattern> <text>");
            return;
        }

        Pattern pattern = null;
        try {
            pattern = Pattern.compile(argv[0]);
        }
        catch (PatternSyntaxException e) {
            System.err.println(e);
            return;
        }

        Splitter splitter = new Splitter(pattern);

        String text = argv[1];
        int counter = 1;
        for (String part : splitter.split(text)) {
            System.out.printf("Part %d: \"%s\"\n", counter++, part);
        }
    }
}

/*
    Example:
    > java Splitter "\W+" "Hello World!"
    Part 1: "Hello"
    Part 2: " "
    Part 3: "World"
    Part 4: "!"
    Part 5: ""
*/

I don't really like the other way, where you get an empty element in front and back. A delimiter is usually not at the beginning or at the end of the string, thus you most often end up wasting two good array slots.

Edit: Fixed limit cases. Commented source with test cases can be found here: http://snippets.dzone.com/posts/show/6453

LG Optimus Zone 2 pp415 d\n connect in mtp, but does work in internet connection mode. Lost lots of time messing with it. There's no doc for this, but I'd suggest trying all 4 of the connection options. Only 1 that works for me is Internet Connection->Ethernet, then win 8 auto-detects a driver and installs it. In MTP mode despite all drivers being registered with device manager, adb doesn't pick it up.

This problem is just because you have declared the column in CHAR, VARCHAR or TEXT datatype. Just change the datatype to INT, BIGINT etc. This is will solved the problem of your custom ordering.

If you want the object_name prefixed to any ID you should call form helpers on the form object:

- form_for(@message) do |f|
  = f.label :email

This also makes sure any submitted data is stored in memory should there be any validation errors etc.

If you can't call the form helper method on the form object, for example if you're using a tag helper (radio_button_tag etc.) you can interpolate the name using:

= radio_button_tag "#{f.object_name}[email]", @message.email

In this case you'd need to specify the value manually to preserve any submissions.

The MessageBox in the Extended WPF Toolkit is very nice. It's at Microsoft.Windows.Controls.MessageBox after referencing the toolkit DLL. Of course this was released Aug 9 2011 so it would not have been an option for you originally. It can be found at Github for everyone out there looking around.

Clean your variable by removing all the carriage returns:

COMMAND=$(echo $COMMAND|tr -d '\n')

This will give total number of days including today in the current month.

select day(getDate())

According to MySQL 5.7 Reference Manual:

The default SQL mode in MySQL 5.7 includes these modes: ONLY_FULL_GROUP_BY, STRICT_TRANS_TABLES, NO_ZERO_IN_DATE, NO_ZERO_DATE, ERROR_FOR_DIVISION_BY_ZERO, NO_AUTO_CREATE_USER, and NO_ENGINE_SUBSTITUTION.

Since 0000-00-00 00:00:00 is not a valid DATETIME value, your database is broken. That is why MySQL 5.7 – which comes with NO_ZERO_DATE mode enabled by default – outputs an error when you try to perform a write operation.

You can fix your table updating all invalid values to any other valid one, like NULL:

UPDATE users SET created = NULL WHERE created < '0000-01-01 00:00:00'

Also, to avoid this problem, I recomend you always set current time as default value for your created-like fields, so they get automatically filled on INSERT. Just do:

ALTER TABLE users
ALTER created SET DEFAULT CURRENT_TIMESTAMP

com.sun.mail.util.MailLogger is part of JavaMail API. It is already included in EE environment (that's why you can use it on your live server), but it is not included in SE environment.

Oracle docs:

The JavaMail API is available as an optional package for use with Java SE platform and is also included in the Java EE platform.

99% that you run your tests in SE environment which means what you have to bother about adding it manually to your classpath when running tests.

If you're using maven add the following dependency (you might want to change version):

<dependency>
    <groupId>com.sun.mail</groupId>
    <artifactId>javax.mail</artifactId>
    <version>1.6.0</version>
</dependency>

Looks like /e option is what you need, it'll skip same files/directories.

robocopy c:\data c:\backup /e

If you run the command twice, you'll see the second round is much faster since it skips a lot of things.

You need to require only one plugin which is the Subversion plugin.

Then simply, go into Jenkins ? job_name ? Build Trigger section ? (i) Trigger build remotely (i.e., from scripts) Authentication token: Token_name

Go to the SVN server's hooks directory, and then after fire the below commands:

1. cp post-commit.tmpl post-commit
2. chmod 777 post-commit
3. chown -R www-data:www-data post-commit

4. vi post-commit

   Note: All lines should be commented Add the below line at last

Syntax (for Linux users):

/usr/bin/curl http://username:API_token@localhost:8081/job/job_name/build?token=Token_name

Syntax (for Windows user):

C:/curl_for_win/curl http://username:API_token@localhost:8081/job/job_name/build?token=Token_name

So I found my own solution to this problem in the end.

After searching through Microsoft documentation I managed to find a new IE11 only style msTextCombineHorizontal

In my test, I check for IE10 styles and if they are a positive match, then I check for the IE11 only style. If I find it, then it's IE11+, if I don't, then it's IE10.

Code Example: Detect IE10 and IE11 by CSS Capability Testing (JSFiddle)

I will update the code example with more styles when I discover them.

NOTE: This will almost certainly identify IE12 and IE13 as "IE11", as those styles will probably carry forward. I will add further tests as new versions roll out, and hopefully be able to rely again on Modernizr.

I'm using this test for fallback behavior. The fallback behavior is just less glamorous styling, it doesn't have reduced functionality.

I followed the instructions http://springflex.blogspot.ru/2014/02/how-to-fix-valueerror-when-trying-to.html. but nothing happened. Then I installed 2010 Visual Studio Express (http://www.microsoft.com/visualstudio/en-us/products/2010-editions/visual-cpp-express) following the advice http://blog.python.org/2012/05/recent-windows-changes-in-python-33.html it helped me

Copy the folder, firefox.exe is in and place in the c:\ only. The script is having a hard time climbing your file tree. I found that when I placed the *.exe file in the c:\ it eliminated the error message " file not found."

Update: You can now <Elem onClick={ proxy => proxy.stopPropagation() } />

pypsrp - Python PowerShell Remoting Protocol Client library

At a basic level, you can use this library to;

Execute a cmd command
Run another executable
Execute PowerShell scripts
Copy a file from the localhost to the remote Windows host
Fetch a file from the remote Windows host to the localhost
Create a Runspace Pool that contains one or multiple PowerShell pipelines and execute them asynchronously
Support for a reference host base implementation of PSRP for interactive scripts

REF: https://github.com/jborean93/pypsrp

Not sure if this is the most efficient method, but it might be relatively interesting: the the Burrows-Wheeler transform. According to the WP article, all rotations of the input yield the same output. For applications such as compression this isn't desirable, so the original rotation is indicated (e.g. by an index; see the article). But for simple rotation-independent comparison, it sounds ideal. Of course, it's not necessarily ideally efficient!

date = '2012-07-28'; stringdate = new Date(date).toISOString();

ought to work in most newer browsers. it returns 2012-07-28T00:00:00.000Z on Firefox 6.0

For GET parameters, you can grab them from document.location.search:

var $_GET = {};

document.location.search.replace(/\??(?:([^=]+)=([^&]*)&?)/g, function () {
    function decode(s) {
        return decodeURIComponent(s.split("+").join(" "));
    }

    $_GET[decode(arguments[1])] = decode(arguments[2]);
});

document.write($_GET["test"]);

For POST parameters, you can serialize the $_POST object in JSON format into a <script> tag:

<script type="text/javascript">
var $_POST = <?php echo json_encode($_POST); ?>;

document.write($_POST["test"]);
</script>

While you're at it (doing things on server side), you might collect the GET parameters on PHP as well:

var $_GET = <?php echo json_encode($_GET); ?>;

Note: You'll need PHP version 5 or higher to use the built-in json_encode function.

Update: Here's a more generic implementation:

function getQueryParams(qs) {
    qs = qs.split("+").join(" ");
    var params = {},
        tokens,
        re = /[?&]?([^=]+)=([^&]*)/g;

    while (tokens = re.exec(qs)) {
        params[decodeURIComponent(tokens[1])]
            = decodeURIComponent(tokens[2]);
    }

    return params;
}

var $_GET = getQueryParams(document.location.search);

I was running into the same issue when my callbacks would try to show a dialog.

I solved it with dedicated methods in the Activity - at the Activity instance member level - that use runOnUiThread(..)

public void showAuthProgressDialog() {
    runOnUiThread(new Runnable() {
        @Override
        public void run() {
            mAuthProgressDialog = DialogUtil.getVisibleProgressDialog(SignInActivity.this, "Loading ...");
        }
    });
}

public void dismissAuthProgressDialog() {
    runOnUiThread(new Runnable() {
        @Override
        public void run() {
            if (mAuthProgressDialog == null || ! mAuthProgressDialog.isShowing()) {
                return;
            }
            mAuthProgressDialog.dismiss();
        }
    });
}

You could write a function that runs getElementsByTagName('*'), and returns only those elements with a "data-foo" attribute:

function getAllElementsWithAttribute(attribute)
{
  var matchingElements = [];
  var allElements = document.getElementsByTagName('*');
  for (var i = 0, n = allElements.length; i < n; i++)
  {
    if (allElements[i].getAttribute(attribute) !== null)
    {
      // Element exists with attribute. Add to array.
      matchingElements.push(allElements[i]);
    }
  }
  return matchingElements;
}

Then,

getAllElementsWithAttribute('data-foo');

  <script type="text/javascript">
  jQuery(document).ready(function(){
         setTimeout(PopUp(),5000); // invoke Popup function after 5 seconds 
  });
   </script>

You can use this class : class="sticky-top alert alert-dismissible"

Interestingly I checked this on an app of mine and I got the same error.

I spent a while checking through headers to see if there was anything undef'ing the _USE_MATH_DEFINES and found nothing.

So I moved the

#define _USE_MATH_DEFINES
#include <cmath>

to be the first thing in my file (I don't use PCHs so if you are you will have to have it after the #include "stdafx.h") and suddenly it compile perfectly.

Try moving it higher up the page. Totally unsure as to why this would cause issues though.

Edit: Figured it out. The #include <math.h> occurs within cmath's header guards. This means that something higher up the list of #includes is including cmath without the #define specified. math.h is specifically designed so that you can include it again with that define now changed to add M_PI etc. This is NOT the case with cmath. So you need to make sure you #define _USE_MATH_DEFINES before you include anything else. Hope that clears it up for you :)

Failing that just include math.h you are using non-standard C/C++ as already pointed out :)

Edit 2: Or as David points out in the comments just make yourself a constant that defines the value and you have something more portable anyway :)

If you want to see how much space each folder ocuppes:

du -sh *

• s – summarize
• h – human readable
• * – list of folders

File file = new File("src/test/resources/input.txt");
FileInputStream input = new FileInputStream(file);
MultipartFile multipartFile = new MockMultipartFile("file",
            file.getName(), "text/plain", IOUtils.toByteArray(input));

Where all the HTML files are in UTF-8 and don't have meta tags for content type, I was only able to set the needed default for these files to be sent by Apache 2.4 by adding both directives:

AddLanguage ru .html
AddCharset UTF-8 .html

Be sure to supply the exact same path as when you set it, i.e.

Setting:

$.cookie('foo','bar', {path: '/'});

Removing:

$.cookie('foo', null, {path: '/'});

Note that

$.cookie('foo', null); 

will NOT work, since it is actually not the same cookie.

Hope that helps. The same goes for the other options in the hash

try this:

$('#div1').scrollTop( $('#div1').height() )

%s is for string %d is for decimal (or int) %c is for character

It appears to be chewing through an array of characters, and printing out whatever string exists starting at each subsequent position. The strings will stop at the first null in each case.

The commas are just separating the arguments to a function that takes a variable number of args; this number corresponds to the number of % args in the format descriptor at the front.

I recommend using joe to generate a .gitignore file.

For an iOS project run the following command:

$ joe g osx,xcode > .gitignore

It will generate this .gitignore:

.DS_Store
.AppleDouble
.LSOverride

Icon
._*

.DocumentRevisions-V100
.fseventsd
.Spotlight-V100
.TemporaryItems
.Trashes
.VolumeIcon.icns

.AppleDB
.AppleDesktop
Network Trash Folder
Temporary Items
.apdisk

build/
DerivedData

*.pbxuser
!default.pbxuser
*.mode1v3
!default.mode1v3
*.mode2v3
!default.mode2v3
*.perspectivev3
!default.perspectivev3
xcuserdata

*.xccheckout
*.moved-aside
*.xcuserstate

Options to avoid using SecurityContextHolder in tests:

• Option 1: use mocks - I mean mock SecurityContextHolder using some mock library - EasyMock for example
• Option 2: wrap call SecurityContextHolder.get... in your code in some service - for example in SecurityServiceImpl with method getCurrentPrincipal that implements SecurityService interface and then in your tests you can simply create mock implementation of this interface that returns the desired principal without access to SecurityContextHolder.

For Mac OS X with blanks in target directory (follow up to @pheon). Add extra pair of double quotes around $(...) in line 2 thus. See: https://stackoverflow.com/a/1308838 (Sean Bright)

#!/bin/bash
cd "$(dirname "$0")" && pwd
ipython notebook

I'll explain it in a simple way.

Generics defined at Class level are completely separate from the generics defined at the (static) method level.

class Greet<T> {

    public static <T> void sayHello(T obj) {
        System.out.println("Hello " + obj);
    }
}

When you see the above code anywhere, please note that the T defined at the class level has nothing to do with the T defined in the static method. The following code is also completely valid and equivalent to the above code.

class Greet<T> {

    public static <E> void sayHello(E obj) {
        System.out.println("Hello " + obj);
    }
}

Why the static method needs to have its own generics separate from those of the Class?

This is because, the static method can be called without even instantiating the Class. So if the Class is not yet instantiated, we do not yet know what is T. This is the reason why the static methods needs to have its own generics.

So, whenever you are calling the static method,

Greet.sayHello("Bob");
Greet.sayHello(123);

JVM interprets it as the following.

Greet.<String>sayHello("Bob");
Greet.<Integer>sayHello(123);

Both giving the same outputs.

Hello Bob
Hello 123

For what it's worth, my problem was completely unrelated to the error Xcode was giving. I stumbled onto a solution by deleting the .h reference, compiling, adding the reference back and compiling again. The actual error then became evident.

Have a look at config.sample.inc.php: you will find examples of the configuration directives that you should copy to your config.inc.php (copy the missing ones). Then, have a look at examples/create_tables.sql which will help you create the missing tables.

The complete documentation for this is available at http://docs.phpmyadmin.net/en/latest/setup.html#phpmyadmin-configuration-storage.

You can tell it's playing using:

AVPlayer *player = ...
if ((player.rate != 0) && (player.error == nil)) {
    // player is playing
}

Swift 3 extension:

extension AVPlayer {
    var isPlaying: Bool {
        return rate != 0 && error == nil
    }
}

That's not quite true. E.g. for HTTP Windows supports URL based port sharing, allowing multiple processes to use the same IP address and Port.

Others have pointed out the error in your existing code, but I'd like to take two steps further. Firstly, assuming you're using Java 1.5+, you can achieve greater readability using the enhanced for loop:

Customer findCustomerByid(int id){    
    for (Customer customer : customers) {
        if (customer.getId() == id) {
            return customer;
        }
    }
    return null; 
}

This has also removed the micro-optimisation of returning null before looping - I doubt that you'll get any benefit from it, and it's more code. Likewise I've removed the exists flag: returning as soon as you know the answer makes the code simpler.

Note that in your original code I think you had a bug. Having found that the customer at index i had the right ID, you then returned the customer at index id - I doubt that this is really what you intended.

Secondly, if you're going to do a lot of lookups by ID, have you considered putting your customers into a Map<Integer, Customer>?

XML Copy Editor is perfect for this type of thing.

just set environment variable in your main file like index.js or app.js or main.js or whatever your file name is:

process.env.TZ = "Asia/Tehran";

this will set the timezone which will be used in your entire node application

Casting the values to an int or float seems to fix it. For example:

$coordinates => array( 
    (float) $ap->latitude,
    (float) $ap->longitude 
);

Not that I'm suggesting that you go and extend/modify String's prototype, but this is what I've done:

String.prototype.includes()

String.prototype.includes = function (includes) {_x000D_
    console.warn("String.prototype.includes() has been modified.");_x000D_
    return function (searchString, position) {_x000D_
        if (searchString instanceof Array) {_x000D_
            for (var i = 0; i < searchString.length; i++) {_x000D_
                if (includes.call(this, searchString[i], position)) {_x000D_
                    return true;_x000D_
                }_x000D_
            }_x000D_
            return false;_x000D_
        } else {_x000D_
            return includes.call(this, searchString, position);_x000D_
        }_x000D_
    }_x000D_
}(String.prototype.includes);_x000D_
_x000D_
console.log('"Hello, World!".includes("foo");',          "Hello, World!".includes("foo")           ); // false_x000D_
console.log('"Hello, World!".includes(",");',            "Hello, World!".includes(",")             ); // true_x000D_
console.log('"Hello, World!".includes(["foo", ","])',    "Hello, World!".includes(["foo", ","])    ); // true_x000D_
console.log('"Hello, World!".includes(["foo", ","], 6)', "Hello, World!".includes(["foo", ","], 6) ); // false

Most people remark that partial should only be used for a class that has a generated code file or for interfaces. I disagree, and here is why.

For one example, let's look at the C# System.Math class... that's class. I would not attempt to stuff 70+ methods all into the same single code file. It would be a nightmare to maintain.

Placing each math method into individual partial class files, and all code files into a Math folder in the project, would be significantly cleaner organization.

The same could/would hold true for many other classes that have a large amount of diverse functionality. For example a class for managing the PrivateProfile API might benefit by being split into a clean set of partial class files in a single project folder.

Personally, I also split what most people call "helper" or "utility" classes into individual partial files for each method or method functional group. For example on one project the string helper class has almost 50 methods. That would be a long unwieldy code file even using regions. It is significantly easier to maintain using individual partial class files for each method.

I would just be careful using partial classes and keep all code file layout consistent throughout the project when doing this. Such as placing any class public enums and class private members into a Common.cs or similarly named file in the folder, instead of spreading them out across the files unless they are specific to only the partial file they are contained in.

Keep in mind that when you split a class into separate files you also lose the ability to use the text editor splitter bar that lets you view two different sections of a current file simultaneously.

Async:

fs.readFile('test.txt', 'utf8', callback);

Sync:

var content = fs.readFileSync('test.txt', 'utf8');

android:screenOrientation="locked"

in <application> for all app in <activity> for actual activity

# dump into file
pg_dump myDB > /tmp/myDB.sql

# create an empty db with the right encoding (on older versions the escaped single quotes are needed!)
psql -c 'CREATE DATABASE "tempDB" WITH OWNER = "myself" LC_COLLATE = '\''de_DE.utf8'\'' TEMPLATE template0;'

# import in the new DB
psql -d tempDB -1 -f /tmp/myDB.sql

# rename databases
psql -c 'ALTER DATABASE "myDB" RENAME TO "myDB_wrong_encoding";' 
psql -c 'ALTER DATABASE "tempDB" RENAME TO "myDB";'

# see the result
psql myDB -c "SHOW LC_COLLATE"   

Download the appropriate postgres version here:

https://www.postgresql.org/download/

Make sure to run the following commands (the postgresql.org/download URL will generate the specific URL for you to use; the one I use below is just an example for centos 7) as sudo:

sudo yum install https://download.postgresql.org/pub/repos/yum/reporpms/EL-7-x86_64/pgdg-redhat-repo-latest.noarch.rpm
sudo yum install postgresql11-server

your pg_dump version should now be updated, verify with pg_dump -V

shape() consists of array having two arguments rows and columns.

if you search shape[0] then it will gave you the number of rows. shape[1] will gave you number of columns.

If you want to create a .war file you can deploy to a Tomcat instance using the Manager app, create a folder, put all your files in that folder (including an index.html file) move your terminal window into that folder, and execute the following command:

zip -r <AppName>.war *

I've tested it with Tomcat 8 on the Mac, but it should work anywhere

Its a common error which happens when we try to access a database which doesn't exist. So create the database using

CREATE DATABASE blog_development;

The error commonly occours when we have dropped the database using

DROP DATABASE blog_development;

and then try to access the database.

To get plain object from Mongoose document, I used _doc property as follows

mongooseDoc._doc  //returns plain json object

I tried with toObject but it gave me functions,arguments and all other things which i don't need.

If you have more numbers or if you intend to add new test numbers for CASE then you can use a more flexible approach:

DECLARE @Numbers TABLE
(
    Number VARCHAR(50) PRIMARY KEY
    ,Class TINYINT NOT NULL
);
INSERT @Numbers
VALUES ('1121231',1);
INSERT @Numbers
VALUES ('31242323',1);
INSERT @Numbers
VALUES ('234523',2);
INSERT @Numbers
VALUES ('2342423',2);

SELECT c.*, n.Class
FROM   tblClient c  
LEFT OUTER JOIN   @Numbers n ON c.Number = n.Number;

Also, instead of table variable you can use a regular table.

Hadley has a very elegant solution to do this inside data frames in his reshape package, using the function colsplit.

require(reshape)
> df <- data.frame(ID=11:13, FOO=c('a|b','b|c','x|y'))
> df
  ID FOO
1 11 a|b
2 12 b|c
3 13 x|y
> df = transform(df, FOO = colsplit(FOO, split = "\\|", names = c('a', 'b')))
> df
  ID FOO.a FOO.b
1 11     a     b
2 12     b     c
3 13     x     y

NW.js

(Previously known as node-webkit)

I would suggest NW.js if you are familiar with Node or experienced with JavaScript.

NW.js is an app runtime based on Chromium and node.js.

Features

• Apps written in modern HTML5, CSS3, JS and WebGL
• Complete support for Node.js APIs and all its third party modules.
• Good performance: Node and WebKit run in the same thread: Function calls are made straightforward; objects are in the same heap and can just reference each other
• Easy to package and distribute apps
• Available on Linux, Mac OS X and Windows

You can find the NW.js repo here, and a good introduction to NW.js here. If you fancy learning Node.js I would recommend this SO post with a lot of good links.

Your @POST method should be accepting a JSON object instead of a string. Jersey uses JAXB to support marshaling and unmarshaling JSON objects (see the jersey docs for details). Create a class like:

@XmlRootElement
public class MyJaxBean {
    @XmlElement public String param1;
    @XmlElement public String param2;
}

Then your @POST method would look like the following:

@POST @Consumes("application/json")
@Path("/create")
public void create(final MyJaxBean input) {
    System.out.println("param1 = " + input.param1);
    System.out.println("param2 = " + input.param2);
}

This method expects to receive JSON object as the body of the HTTP POST. JAX-RS passes the content body of the HTTP message as an unannotated parameter -- input in this case. The actual message would look something like:

POST /create HTTP/1.1
Content-Type: application/json
Content-Length: 35
Host: www.example.com

{"param1":"hello","param2":"world"}

Using JSON in this way is quite common for obvious reasons. However, if you are generating or consuming it in something other than JavaScript, then you do have to be careful to properly escape the data. In JAX-RS, you would use a MessageBodyReader and MessageBodyWriter to implement this. I believe that Jersey already has implementations for the required types (e.g., Java primitives and JAXB wrapped classes) as well as for JSON. JAX-RS supports a number of other methods for passing data. These don't require the creation of a new class since the data is passed using simple argument passing.

HTML <FORM>

The parameters would be annotated using @FormParam:

@POST
@Path("/create")
public void create(@FormParam("param1") String param1,
                   @FormParam("param2") String param2) {
    ...
}

The browser will encode the form using "application/x-www-form-urlencoded". The JAX-RS runtime will take care of decoding the body and passing it to the method. Here's what you should see on the wire:

POST /create HTTP/1.1
Host: www.example.com
Content-Type: application/x-www-form-urlencoded;charset=UTF-8
Content-Length: 25

param1=hello&param2=world

The content is URL encoded in this case.

If you do not know the names of the FormParam's you can do the following:

@POST @Consumes("application/x-www-form-urlencoded")
@Path("/create")
public void create(final MultivaluedMap<String, String> formParams) {
    ...
}

HTTP Headers

You can using the @HeaderParam annotation if you want to pass parameters via HTTP headers:

@POST
@Path("/create")
public void create(@HeaderParam("param1") String param1,
                   @HeaderParam("param2") String param2) {
    ...
}

Here's what the HTTP message would look like. Note that this POST does not have a body.

POST /create HTTP/1.1
Content-Length: 0
Host: www.example.com
param1: hello
param2: world

I wouldn't use this method for generalized parameter passing. It is really handy if you need to access the value of a particular HTTP header though.

HTTP Query Parameters

This method is primarily used with HTTP GETs but it is equally applicable to POSTs. It uses the @QueryParam annotation.

@POST
@Path("/create")
public void create(@QueryParam("param1") String param1,
                   @QueryParam("param2") String param2) {
    ...
}

Like the previous technique, passing parameters via the query string does not require a message body. Here's the HTTP message:

POST /create?param1=hello&param2=world HTTP/1.1
Content-Length: 0
Host: www.example.com

You do have to be particularly careful to properly encode query parameters on the client side. Using query parameters can be problematic due to URL length restrictions enforced by some proxies as well as problems associated with encoding them.

HTTP Path Parameters

Path parameters are similar to query parameters except that they are embedded in the HTTP resource path. This method seems to be in favor today. There are impacts with respect to HTTP caching since the path is what really defines the HTTP resource. The code looks a little different than the others since the @Path annotation is modified and it uses @PathParam:

@POST
@Path("/create/{param1}/{param2}")
public void create(@PathParam("param1") String param1,
                   @PathParam("param2") String param2) {
    ...
}

The message is similar to the query parameter version except that the names of the parameters are not included anywhere in the message.

POST /create/hello/world HTTP/1.1
Content-Length: 0
Host: www.example.com

This method shares the same encoding woes that the query parameter version. Path segments are encoded differently so you do have to be careful there as well.

As you can see, there are pros and cons to each method. The choice is usually decided by your clients. If you are serving FORM-based HTML pages, then use @FormParam. If your clients are JavaScript+HTML5-based, then you will probably want to use JAXB-based serialization and JSON objects. The MessageBodyReader/Writer implementations should take care of the necessary escaping for you so that is one fewer thing that can go wrong. If your client is Java based but does not have a good XML processor (e.g., Android), then I would probably use FORM encoding since a content body is easier to generate and encode properly than URLs are. Hopefully this mini-wiki entry sheds some light on the various methods that JAX-RS supports.

Note: in the interest of full disclosure, I haven't actually used this feature of Jersey yet. We were tinkering with it since we have a number of JAXB+JAX-RS applications deployed and are moving into the mobile client space. JSON is a much better fit that XML on HTML5 or jQuery-based solutions.

Note that this answer applies to python versions prior to python3.7. CPython 3.6 maintains insertion order under most circumstances as an implementation detail. Starting from Python3.7 onward, it has been declared that implementations MUST maintain insertion order to be compliant.

python dictionaries are unordered. If you want an ordered dictionary, try collections.OrderedDict.

Note that OrderedDict was introduced into the standard library in python 2.7. If you have an older version of python, you can find recipes for ordered dictionaries on ActiveState.

Oracle would be

SELECT NVL(MAX(X), 0) AS MaxX
FROM tbl
WHERE XID = 1;

Changed the function above to

function timeSince(date) {

    var seconds = Math.floor(((new Date().getTime()/1000) - date)),
    interval = Math.floor(seconds / 31536000);

    if (interval > 1) return interval + "y";

    interval = Math.floor(seconds / 2592000);
    if (interval > 1) return interval + "m";

    interval = Math.floor(seconds / 86400);
    if (interval >= 1) return interval + "d";

    interval = Math.floor(seconds / 3600);
    if (interval >= 1) return interval + "h";

    interval = Math.floor(seconds / 60);
    if (interval > 1) return interval + "m ";

    return Math.floor(seconds) + "s";
}

Otherwise it would show things like "75 minutes" (between 1 and 2 hours). It also now assumes input date is a Unix timestamp.

The is related to the ini configuration setting allow_url_fopen.

You should be aware that enable that option may make some bugs in your code exploitable.

For instance, this failure to validate input may turn into a full-fledged remote code execution vulnerability:

copy($_GET["file"], "."); 

On IntelliJ IDEA 2020.2.1

Click on the tab that you want to open as window mode.

Right-click on the tab name and select View mode > Window

this might not be the best way, but for most of the small cases this should acceptable:

"create a second empty-array and add only the ones you want to keep"

_{I don't remeber where I read this from... for justiness I will make this wiki in hope someone finds it or just to don't earn rep I don't deserve.}

Adding this to project's gradle.properties fixed it for us:

android.enableJetifier=true
android.useAndroidX=true

Yes. HTML2Canvas exists to render HTML onto <canvas> (which you can then use as an image).

NOTE: There is a known issue, that this will not work with SVG

Here is the clear working example:

//creating new array
var custom_arr1 = [];


//storing value in array
custom_arr1.push("test");
custom_arr1.push("test1");

alert(custom_arr1);
//output will be  test,test1

Multiple Scope Parameters:

class TeacherSchedule < ActiveRecord::Base
  validates_uniqueness_of :teacher_id, :scope => [:semester_id, :class_id]
end

http://apidock.com/rails/ActiveRecord/Validations/ClassMethods/validates_uniqueness_of

This should answer Greg's question.

Another option is to use Descendant selectors

HTML:

<div class="social">
<p class="first">burrito</p>
<p class="last">chimichanga</p>
</div>

Reference first one in CSS: .social .first { color: blue; }

Reference last one in CSS: .social .last { color: green; }

Jsfiddle: https://jsfiddle.net/covbtpaq/153/

//Get
var p = $("#elementId");
var offset = p.offset();

//set
$("#secondElementId").offset({ top: offset.top, left: offset.left});

In case anyone wanted more of a visual reference:

Decimal approximations reference table:

+----------------------------------------------------------------------------+
¦       aspect ratio       ¦     decimal approx.    ¦     decimal approx.    ¦
¦ [long edge x short edge] ¦ [short edge/long edge] ¦ [long edge/short edge] ¦
¦--------------------------+------------------------+------------------------¦
¦         19.5 x 9         ¦        0.462...        ¦        2.167...        ¦
¦--------------------------+------------------------+------------------------¦
¦          19 x 9          ¦        0.474...        ¦         2.11...        ¦
¦--------------------------+------------------------+------------------------¦
¦        ~18.7 x 9         ¦        0.482...        ¦        2.074...        ¦
¦--------------------------+------------------------+------------------------¦    
¦         18.5 x 9         ¦        0.486...        ¦        2.056...        ¦
¦--------------------------+------------------------+------------------------¦
¦          18 x 9          ¦           0.5          ¦            2           ¦
¦--------------------------+------------------------+------------------------¦
¦          19 x 10         ¦        0.526...        ¦           1.9          ¦
¦--------------------------+------------------------+------------------------¦
¦          16 x 9          ¦         0.5625         ¦        1.778...        ¦
¦--------------------------+------------------------+------------------------¦
¦           5 x 3          ¦           0.6          ¦        1.667...        ¦
¦--------------------------+------------------------+------------------------¦
¦          16 x 10         ¦          0.625         ¦           1.6          ¦
¦--------------------------+------------------------+------------------------¦
¦           3 x 2          ¦        0.667...        ¦           1.5          ¦
¦--------------------------+------------------------+------------------------¦
¦           4 x 3          ¦          0.75          ¦        1.333...        ¦
+----------------------------------------------------------------------------+

Changelog:

• May 2018: Added 56x27 === ~18.7x9 (Huawei P20), 19x9 (Nokia X6 2018) and 19.5x9 (LG G7 ThinQ)
• May 2017: Added 19x10 (Essential Phone)
• March 2017: Added 18.5x9 (Samsung Galaxy S8) and 18x9 (LG G6)

r is a numpy (rec)array. So r["dt"] >= startdate is also a (boolean) array. For numpy arrays the & operation returns the elementwise-and of the two boolean arrays.

The NumPy developers felt there was no one commonly understood way to evaluate an array in boolean context: it could mean True if any element is True, or it could mean True if all elements are True, or True if the array has non-zero length, just to name three possibilities.

Since different users might have different needs and different assumptions, the NumPy developers refused to guess and instead decided to raise a ValueError whenever one tries to evaluate an array in boolean context. Applying and to two numpy arrays causes the two arrays to be evaluated in boolean context (by calling __bool__ in Python3 or __nonzero__ in Python2).

Your original code

mask = ((r["dt"] >= startdate) & (r["dt"] <= enddate))
selected = r[mask]

looks correct. However, if you do want and, then instead of a and b use (a-b).any() or (a-b).all().

I found this problem in the book "Illustrated Guide to Python 3". It was in a very early chapter that only discussed the math operations, no loops, no comparisons, no conditionals. How can you tell if a given year is a leap year?

Below is what I came up with:

y = y % 400
a = y % 4
b = y % 100
c = y // 100
ly = (0**a) * ((1-(0**b)) + 0**c)   # ly is not zero for leap years, else 0

One-line solution:

df.join(
    df.groupby('state').agg(state_total=('sales', 'sum')),
    on='state'
).eval('sales / state_total')

This returns a Series of per-office ratios -- can be used on it's own or assigned to the original Dataframe.

Try for simple regular expression for Mobile No

[Required (ErrorMessage="Required")]
[RegularExpression(@"^(\d{10})$", ErrorMessage = "Wrong mobile")]
public string Mobile { get; set; }

For large arrays or arrays that will be variable sized you should probably use:

Enumerable.Repeat(true, 1000000).ToArray();

For small array you can use the collection initialization syntax in C# 3:

bool[] vals = new bool[]{ false, false, false, false, false, false, false };

The benefit of the collection initialization syntax, is that you don't have to use the same value in each slot and you can use expressions or functions to initialize a slot. Also, I think you avoid the cost of initializing the array slot to the default value. So, for example:

bool[] vals = new bool[]{ false, true, false, !(a ||b) && c, SomeBoolMethod() };

RightClick on the Project > Properties > Android > Fix project properties

This solved it for me. easy.

In my case (using IntelliJ) File - Invalidate Caches / Restart... did the trick.

Context envContext = (Context)initContext.lookup("java:comp/env");

not:Context envContext = (Context)initContext.lookup("java:/comp/env");

Be careful that this will create an "alternate reality" for people who have already fetch/pulled/cloned from the remote repository. But in fact, it's quite simple:

git reset HEAD^ # remove commit locally
git push origin +HEAD # force-push the new HEAD commit

If you want to still have it in your local repository and only remove it from the remote, then you can use:

git push origin +HEAD^:<name of your branch, most likely 'master'>

I css I got no idea but I made that just by centering the form in html something like this:

in css:

form.principal {width:12em;}    
form.principal label { float:left; display:block; clear:both; padding:3px;}
form.principal input { float:left; width:8em;}
form.principal button{clear:both; width:130px; height:50px; margin-top:8px;}

then in html:

<center><form class="principal" method="POST">
<fieldset>
<p><label for="username">User</label><input id="username" type="text" name="username" />
<p><label for="password">Password</label><input id="password" type="password" name="password" /></p>
<button>Log in</button>
</fieldset>
</form></center>

This will center the form, and the content will be in the left of the centered form.

• easily type this command in cmd.
• replace after Users\ your user name \
• if you don't have this file reinstall android studio.

Very late, but I guess many people will still land here through "Google Airlines". A moderm approach is to use WebRTC that doesn't require server support.

https://hacking.ventures/local-ip-discovery-with-html5-webrtc-security-and-privacy-risk/

Next code is a copy&paste from http://net.ipcalf.com/

// NOTE: window.RTCPeerConnection is "not a constructor" in FF22/23
var RTCPeerConnection = /*window.RTCPeerConnection ||*/ window.webkitRTCPeerConnection || window.mozRTCPeerConnection;

if (RTCPeerConnection) (function () {
    var rtc = new RTCPeerConnection({iceServers:[]});
    if (window.mozRTCPeerConnection) {      // FF needs a channel/stream to proceed
        rtc.createDataChannel('', {reliable:false});
    };  

    rtc.onicecandidate = function (evt) {
        if (evt.candidate) grepSDP(evt.candidate.candidate);
    };  
    rtc.createOffer(function (offerDesc) {
        grepSDP(offerDesc.sdp);
        rtc.setLocalDescription(offerDesc);
    }, function (e) { console.warn("offer failed", e); }); 


    var addrs = Object.create(null);
    addrs["0.0.0.0"] = false;
    function updateDisplay(newAddr) {
        if (newAddr in addrs) return;
        else addrs[newAddr] = true;
        var displayAddrs = Object.keys(addrs).filter(function (k) { return addrs[k]; }); 
        document.getElementById('list').textContent = displayAddrs.join(" or perhaps ") || "n/a";
    }   

    function grepSDP(sdp) {
        var hosts = []; 
        sdp.split('\r\n').forEach(function (line) { // c.f. http://tools.ietf.org/html/rfc4566#page-39
            if (~line.indexOf("a=candidate")) {     // http://tools.ietf.org/html/rfc4566#section-5.13
                var parts = line.split(' '),        // http://tools.ietf.org/html/rfc5245#section-15.1
                    addr = parts[4],
                    type = parts[7];
                if (type === 'host') updateDisplay(addr);
            } else if (~line.indexOf("c=")) {       // http://tools.ietf.org/html/rfc4566#section-5.7
                var parts = line.split(' '), 
                    addr = parts[2];
                updateDisplay(addr);
            }   
        }); 
    }   
})(); else {
    document.getElementById('list').innerHTML = "<code>ifconfig | grep inet | grep -v inet6 | cut -d\" \" -f2 | tail -n1</code>";
    document.getElementById('list').nextSibling.textContent = "In Chrome and Firefox your IP should display automatically, by the power of WebRTCskull.";
}   

On windows, you will need to install drivers for the device for adb to recognize it. To see if the drivers are installed, check the device manager. If there is any "unrecognized device" in the device manager, the drivers are not installed. You can usually get the adb drivers from the manufacturers.

 function exportToExcel() {_x000D_
        var tab_text = "<tr bgcolor='#87AFC6'>";_x000D_
        var textRange; var j = 0, rows = '';_x000D_
        tab = document.getElementById('student-detail');_x000D_
        tab_text = tab_text + tab.rows[0].innerHTML + "</tr>";_x000D_
        var tableData = $('#student-detail').DataTable().rows().data();_x000D_
        for (var i = 0; i < tableData.length; i++) {_x000D_
            rows += '<tr>'_x000D_
                + '<td>' + tableData[i].value1 + '</td>'_x000D_
                + '<td>' + tableData[i].value2 + '</td>'_x000D_
                + '<td>' + tableData[i].value3 + '</td>'_x000D_
                + '<td>' + tableData[i].value4 + '</td>'_x000D_
                + '<td>' + tableData[i].value5 + '</td>'_x000D_
                + '<td>' + tableData[i].value6 + '</td>'_x000D_
                + '<td>' + tableData[i].value7 + '</td>'_x000D_
                + '<td>' +  tableData[i].value8 + '</td>'_x000D_
                + '<td>' + tableData[i].value9 + '</td>'_x000D_
                + '<td>' + tableData[i].value10 + '</td>'_x000D_
                + '</tr>';_x000D_
        }_x000D_
        tab_text += rows;_x000D_
        var data_type = 'data:application/vnd.ms-excel;base64,',_x000D_
            template = '<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:x="urn:schemas-microsoft-com:office:excel" xmlns="http://www.w3.org/TR/REC-html40"><head><!--[if gte mso 9]><xml><x:ExcelWorkbook><x:ExcelWorksheets><x:ExcelWorksheet><x:Name>{worksheet}</x:Name><x:WorksheetOptions><x:DisplayGridlines/></x:WorksheetOptions></x:ExcelWorksheet></x:ExcelWorksheets></x:ExcelWorkbook></xml><![endif]--></head><body><table border="2px">{table}</table></body></html>',_x000D_
            base64 = function (s) {_x000D_
                return window.btoa(unescape(encodeURIComponent(s)))_x000D_
            },_x000D_
            format = function (s, c) {_x000D_
                return s.replace(/{(\w+)}/g, function (m, p) {_x000D_
                    return c[p];_x000D_
                })_x000D_
            }_x000D_
_x000D_
        var ctx = {_x000D_
            worksheet: "Sheet 1" || 'Worksheet',_x000D_
            table: tab_text_x000D_
        }_x000D_
        document.getElementById("dlink").href = data_type + base64(format(template, ctx));_x000D_
        document.getElementById("dlink").download = "StudentDetails.xls";_x000D_
        document.getElementById("dlink").traget = "_blank";_x000D_
        document.getElementById("dlink").click();_x000D_
    }

Here Value 1 to 10 are column names that you are getting

It is an abbreviation for 'optional' , used for optional software in some distros.

Here's some short Python functions for your copy and paste ease, including a function to scale an entire list.

def scale_number(unscaled, to_min, to_max, from_min, from_max):
    return (to_max-to_min)*(unscaled-from_min)/(from_max-from_min)+to_min

def scale_list(l, to_min, to_max):
    return [scale_number(i, to_min, to_max, min(l), max(l)) for i in l]

Which can be used like so:

scale_list([1,3,4,5], 0, 100)

[0.0, 50.0, 75.0, 100.0]

In my case I wanted to scale a logarithmic curve, like so:

scale_list([math.log(i+1) for i in range(5)], 0, 50)

[0.0, 21.533827903669653, 34.130309724299266, 43.06765580733931, 50.0]

If you coming from Sublime Text and do not want to relearn new key binding, you can use this extension for Visual Code Studio.

Sublime Text Keymap for VS Code

This extension ports the most popular Sublime Text keyboard shortcuts to Visual Studio Code. After installing the extension and restarting VS Code your favorite keyboard shortcuts from Sublime Text are now available.

https://marketplace.visualstudio.com/items?itemName=ms-vscode.sublime-keybindings

In the Oracle RDBMS, it is possible to use a multi-row subquery in the select clause as long as the (sub-)output is encapsulated as a collection. In particular, a multi-row select clause subquery can output each of its rows as an xmlelement that is encapsulated in an xmlforest.

Here's a solution using Python's subprocess module and the ping CLI tool provided by the underlying OS. Tested on Windows and Linux. Support setting a network timeout. Doesn't need root privileges (at least on Windows and Linux).

import platform
import subprocess

def ping(host, network_timeout=3):
    """Send a ping packet to the specified host, using the system "ping" command."""
    args = [
        'ping'
    ]

    platform_os = platform.system().lower()

    if platform_os == 'windows':
        args.extend(['-n', '1'])
        args.extend(['-w', str(network_timeout * 1000)])
    elif platform_os in ('linux', 'darwin'):
        args.extend(['-c', '1'])
        args.extend(['-W', str(network_timeout)])
    else:
        raise NotImplemented('Unsupported OS: {}'.format(platform_os))

    args.append(host)

    try:
        if platform_os == 'windows':
            output = subprocess.run(args, check=True, universal_newlines=True).stdout

            if output and 'TTL' not in output:
                return False
        else:
            subprocess.run(args, check=True)

        return True
    except (subprocess.CalledProcessError, subprocess.TimeoutExpired):
        return False

Let us assume the database character set is UTF-8, which is the recommended setting in recent versions of Oracle. In this case, some characters take more than 1 byte to store in the database.

If you define the field as VARCHAR2(11 BYTE), Oracle can use up to 11 bytes for storage, but you may not actually be able to store 11 characters in the field, because some of them take more than one byte to store, e.g. non-English characters.

By defining the field as VARCHAR2(11 CHAR) you tell Oracle it can use enough space to store 11 characters, no matter how many bytes it takes to store each one. A single character may require up to 4 bytes.

WARNING: This functionality is deprecated. See warning below in comments.

Have a look at this question: Direct download from Google Drive using Google Drive API

Basically you have to create a public directory and access your files by relative reference with something like

wget https://googledrive.com/host/LARGEPUBLICFOLDERID/index4phlat.tar.gz

Alternatively, you can use this script: https://github.com/circulosmeos/gdown.pl

You can use CAST() to convert from string to int. e.g. SELECT CAST('123' AS INTEGER);

I had the same error. I tried and rechecked everything. I was so focused in the Stack trace that I didn't read the last lines of the build before the Reactor summary and the stack trace:

[DEBUG] Using connector AetherRepositoryConnector with priority 3.4028235E38 for http://www:8081/nexus/content/repositories/snapshots/
[INFO] Downloading: http://www:8081/nexus/content/repositories/snapshots/com/wdsuite/com.wdsuite.server.product/1.0.0-SNAPSHOT/maven-metadata.xml
[DEBUG] Could not find metadata com.group:artifact.product:version-SNAPSHOT/maven-metadata.xml in nexus (http://www:8081/nexus/content/repositories/snapshots/)
[DEBUG] Writing tracking file /home/me/.m2/repository/com/group/project/version-SNAPSHOT/resolver-status.properties
[INFO] Uploading: http://www:8081/nexus/content/repositories/snapshots/com/...-1.0.0-20141118.124526-1.zip
[INFO] Uploading: http://www:8081/nexus/content/repositories/snapshots/com/...-1.0.0-20141118.124526-1.pom
[INFO] ------------------------------------------------------------------------
[INFO] Reactor Summary:

This was the key : "Could not find metadata". Although it said that it was an authentication error actually it got fixed doing a "rebuild metadata" in the nexus repository.

Hope it helps.

UPDATE
    T1
SET
    T1.Inci = T2.Inci 
FROM
    T1
INNER JOIN
    T2
ON
    T1.Brands = T2.Brands
AND
    T1.Category= T2.Category
AND
    T1.Date = T2.Date

You probably don't actually want to change your default Python.

Your distro installed a standard system Python in /usr/bin, and may have scripts that depend on this being present, and selected by #! /usr/bin/env python. You can usually get away with running Python 2.6 scripts in 2.7, but do you want to risk it?

On top of that, monkeying with /usr/bin can break your package manager's ability to manage packages. And changing the order of directories in your PATH will affect a lot of other things besides Python. (In fact, it's more common to have /usr/local/bin ahead of /usr/bin, and it may be what you actually want—but if you have it the other way around, presumably there's a good reason for that.)

But you don't need to change your default Python to get the system to run 2.7 when you type python.

First, you can set up a shell alias:

alias python=/usr/local/bin/python2.7

Type that at a prompt, or put it in your ~/.bashrc if you want the change to be persistent, and now when you type python it runs your chosen 2.7, but when some program on your system tries to run a script with /usr/bin/env python it runs the standard 2.6.

Alternatively, just create a virtual environment out of your 2.7 (or separate venvs for different projects), and do your work inside the venv.

If you want to log to STDOUT you can use any of the ways Laravel provides; for example (from wired00's answer):

Log::info('This is some useful information.');

The STDOUT magic can be done with the following (you are setting the file where info messages go):

Log::useFiles('php://stdout', 'info');

Word of caution: this is strictly for debugging. Do no use anything in production you don't fully understand.

You're dealing with a python list, and sorting it is as easy as doing this.

my_list = ['Stem', 'constitute', 'Sedge', 'Eflux', 'Whim', 'Intrigue']
my_list.sort()

Compile function

Each directive's compile function is only called once, when Angular bootstraps.

Officially, this is the place to perform (source) template manipulations that do not involve scope or data binding.

Primarily, this is done for optimisation purposes; consider the following markup:

<tr ng-repeat="raw in raws">
    <my-raw></my-raw>
</tr>

The <my-raw> directive will render a particular set of DOM markup. So we can either:

• Allow ng-repeat to duplicate the source template (<my-raw>), and then modify the markup of each instance template (outside the compile function).
• Modify the source template to involve the desired markup (in the compile function), and then allow ng-repeat to duplicate it.

If there are 1000 items in the raws collection, the latter option may be faster than the former one.

Do:

• Manipulate markup so it serves as a template to instances (clones).

Do not

• Attach event handlers.
• Inspect child elements.
• Set up observations on attributes.
• Set up watches on the scope.

I get this error message and it mentions options.body

I had this originally

request.post({
    url: apiServerBaseUrl + '/v1/verify',
    body: {
        email: req.user.email
    }
});

I changed it to this:

request.post({
    url: apiServerBaseUrl + '/v1/verify',
    body: JSON.stringify({
        email: req.user.email
    })
});

and it seems to work now without the error message...seems like bug though.

I think this is the more official way to do it:

 request.post({
        url: apiServerBaseUrl + '/v1/verify',
        json: true,
        body: {
            email: req.user.email
        }
    });

GCC can't do that but GDB (a debugger) sure can. Compile you program using the -g switch, like this:

gcc program.c -g

Then use gdb:

$ gdb ./a.out
(gdb) run
<segfault happens here>
(gdb) backtrace
<offending code is shown here>

Here is a nice tutorial to get you started with GDB.

Where the segfault occurs is generally only a clue as to where "the mistake which causes" it is in the code. The given location is not necessarily where the problem resides.

There does appear to be a glaringly obvious solution to this that I've yet to see a huge downside, at least where it's not practical to obtain administrative rights in order to create your own event source: Use one that's already there.

The two which I've started to make use of are ".Net Runtime" and "Application Error", both of which seem like they will be present on most machines.

Main disadvantages are inability to group by that event, and that you probably don't have an associated Event ID, which means the log entry may very well be prefixed with something to the effect of "The description for Event ID 0 from source .Net Runtime cannot be found...." if you omit it, but the log goes in, and the output looks broadly sensible.

The resultant code ends up looking like:

EventLog.WriteEntry(
    ".Net Runtime", 
    "Some message text here, maybe an exception you want to log",
    EventLogEntryType.Error
    );

Of course, since there's always a chance you're on a machine that doesn't have those event sources for whatever reason, you probably want to try {} catch{} wrap it in case it fails and makes things worse, but events are now saveable.

I found this and it seemed to fix my issue.

GitHub Fix Docker Daemon Crash

I changed the content of my docker-compose-deps.yml file as seen in the link. Then I ran docker-compose -f docker-compose-deps.yml up -d. Then I changed it back and it worked for some reason. I didn't have to continue the steps in the link I provided, but the first two steps fixed the issue for me.

I know this is quite old, but when a lost stranger finds this question looking for an answer (like I did) then this is the best way to do it, instead of using removeAttr():

$element.prop("onclick", null);

Citing jQuerys official doku:

"Removing an inline onclick event handler using .removeAttr() doesn't achieve the desired effect in Internet Explorer 6, 7, or 8. To avoid potential problems, use .prop() instead"

From https://github.com/paulirish/homebrew-versions-1 . Works for me!

brew install https://raw.githubusercontent.com/paulirish/homebrew-versions-1/master/protobuf241.rb

I was struggling with this for some time and after some help on a post I was able to come up with this formula =(DATEVALUE(LEFT(XX,10)))+(TIMEVALUE(MID(XX,12,5))) where XX is the cell in reference.

I've come across many other forums with people asking the same thing and this, to me, seems to be the simplest answer. What this will do is return text that is copied in from this format 2014/11/20 11:53 EST and turn it in to a Date/Time format so it can be sorted oldest to newest. It works with short date/long date and if you want the time just format the cell to display time and it will show. Hope this helps anyone who goes searching around like I did.

Try this instead:

$journalName = str_replace(' ', '_', $journalName);

to remove white space

You have to drop it and recreate it, but you don't have to incur the cost of revalidating the data if you don't want to.

alter table t drop constraint ck ;
alter table t add constraint ck check (n < 0) enable novalidate;

The enable novalidate clause will force inserts or updates to have the constraint enforced, but won't force a full table scan against the table to verify all rows comply.

For Swift 2.3,swift3,and swift4:

Create a perform Segue at didSelectRowAtindexPath

For Ex:

   self.performSegue(withIdentifier: "uiView", sender: self)

After that Create a prepareforSegue function to catch the Destination segue and pass the value:

Ex:

  override func prepare(for segue: UIStoryboardSegue, sender: Any?) {

       if segue.identifier == "uiView"{

        let destView = segue.destination as! WebViewController
        let indexpath = self.newsTableView.indexPathForSelectedRow
        let indexurl = tableDatalist[(indexpath?.row)!].link
        destView.UrlRec = indexurl

        //let url =

    }
    }

You need to create a variable named UrlRec in Destination ViewController

First, stop your Tomcat, then double click your server, click Server Locations and check Use Tomcat Installation (takes control of Tomcat installation).

Press CMD + , than click in show develop menu in menu bar. After that click Option + CMD + i to open and close the inspector

We encountered this error after an upgrade from 2008 to 2014 SQL Server where our some of our previous connection strings for local development had a Data Source=./ like this

        <add name="MyLocalDatabase" connectionString="Data Source=./;Initial Catalog=SomeCatalog;Integrated Security=SSPI;Application Name=MyApplication;"/>

Changing that from ./ to either (local) or localhost fixed the problem.

<add name="MyLocalDatabase" connectionString="Data Source=(local);Initial Catalog=SomeCatalog;Integrated Security=SSPI;Application Name=MyApplication;"/>

You might want to override the touchesBegan:withEvent: method of the UIView (or subclass) that contains your UIImageView subview.

Within this method, test if any of the UITouch touches fall inside the bounds of the UIImageView instance (let's say it is called imageView).

That is, does the CGPoint element [touch locationInView] intersect with with the CGRect element [imageView bounds]? Look into the function CGRectContainsPoint to run this test.

you can make a new object of your class and then assign it's parameters dynamically from the JSON object's parameters.

const employeeData = JSON.parse(employeeString);
let emp:Employee=new Employee();
const keys=Object.keys(employeeData);
keys.forEach(key=>{
    emp[key]=employeeData[key];
});
console.log(emp);

now the emp is an object of Employee containing all fields of employeeString's Json object(employeeData);

All operational steps(finding java, parent dir, editing file,...) one solution

zFileProfile="/etc/profile"
zJavaHomePath=$(readlink -ze $(which java) | xargs -0 dirname | xargs -0 dirname)
echo $zJavaHomePath

echo "export JAVA_HOME=\"${zJavaHomePath}\"" >> $zFileProfile
echo "export PATH=\$PATH:\$JAVA_HOME/bin" >> $zFileProfile

Result:

# tail -2 $zFileProfile
export JAVA_HOME="/usr/lib/jvm/java-11-openjdk-11.0.7.10-1.el8_1.x86_64"
export PATH=$PATH:$JAVA_HOME/bin

Explanation:

1) Let's break the full command into pieces

$(readlink -ze $(which java) | xargs -0 dirname | xargs -0 dirname)

2) Find java path from java command

# $(which java)
"/usr/bin/java"

3) Get relative path from symbolic path

# readlink -ze /usr/bin/java
"/usr/lib/jvm/java-11-openjdk-11.0.7.10-1.el8_1.x86_64/bin/java"

4) Get parent path of /usr/lib/jvm/java-11-openjdk-11.0.7.10-1.el8_1.x86_64/bin/java

# readlink -ze /usr/bin/java | xargs -0 dirname
"/usr/lib/jvm/java-11-openjdk-11.0.7.10-1.el8_1.x86_64/bin"

5) Get parent path of /usr/lib/jvm/java-11-openjdk-11.0.7.10-1.el8_1.x86_64/bin/

# readlink -ze /usr/bin/java | xargs -0 dirname | xargs -0 dirname
"/usr/lib/jvm/java-11-openjdk-11.0.7.10-1.el8_1.x86_64"

You can select directly into the variable rather than using set:

DECLARE @times int

SELECT @times = COUNT(DidWin)
FROM thetable
WHERE DidWin = 1 AND Playername='Me'

If you need to set multiple variables you can do it from the same select (example a bit contrived):

DECLARE @wins int, @losses int

SELECT @wins = SUM(DidWin), @losses = SUM(DidLose)
FROM thetable
WHERE Playername='Me'

If you are partial to using set, you can use parentheses:

DECLARE @wins int, @losses int

SET (@wins, @losses) = (SELECT SUM(DidWin), SUM(DidLose)
FROM thetable
WHERE Playername='Me');

You didn't specify what shell you are using, but with zsh you could use the =( ) construct to achieve this. Something along the lines of:

cp =(sed ... file; sync) file

=( ) is similar to >( ) but creates a temporary file which is automatically deleted when cp terminates.

Like @Maximiliangerhardt said, MiniJson do not have the capability to deserialize properly. I used JsonFx and works like a charm. Works with the []

player[] p = JsonReader.Deserialize<player[]>(serviceData);
Debug.Log(p[0].playerId +" "+ p[0].playerLoc+"--"+ p[1].playerId + " " + p[1].playerLoc+"--"+ p[2].playerId + " " + p[2].playerLoc);

For VBScript use FormatDateTime, which has 5 numerical arguments to give you one of 5 predefined formats. Its not great.

  FormatDateTime(now, 4)
  08:12

It is most likely that php is not in your specified path.

Try to issue the php command with the full path, for example:

C:\> "C:\Program Files\php\php.exe" -v

Please note, that this is just an example, your php installation might be in a different directory.

For someone who is trying all these solution but not working try this one, it worked for me

protected override void OnModelCreating(ModelBuilder builder)
{

    builder.Entity<User>().Property(t => t.Email).HasColumnAnnotation("Index", new IndexAnnotation(new IndexAttribute("IX_EmailIndex") { IsUnique = true }));

}

If you aren't comfortable with using negative margins, check this out.

div {
  position: fixed;
  left: 50%;
  bottom: 20px;
  transform: translate(-50%, -50%);
  margin: 0 auto;
}

<div>
  Your Text
</div>

Especially useful when you don't know the width of the div.

align="center" has no effect.

Since you have position:absolute, I would recommend positioning it 50% from the left and then subtracting half of its width from its left margin.

#manipulate {
    position:absolute;
    width:300px;
    height:300px;
    background:#063;
    bottom:0px;
    right:25%;
    left:50%;
    margin-left:-150px;
}

In order to use API tokens, users will have to obtain their own tokens, each from https://<jenkins-server>/me/configure or https://<jenkins-server>/user/<user-name>/configure. It is up to you, as the author of the script, to determine how users supply the token to the script. For example, in a Bourne Shell script running interactively inside a Git repository, where .gitignore contains /.jenkins_api_token, you might do something like:

api_token_file="$(git rev-parse --show-cdup).jenkins_api_token"
api_token=$(cat "$api_token_file" || true)
if [ -z "$api_token" ]; then
    echo
    echo "Obtain your API token from $JENKINS_URL/user/$user/configure"
    echo "After entering here, it will be saved in $api_token_file; keep it safe!"
    read -p "Enter your Jenkins API token: " api_token
    echo $api_token > "$api_token_file"
fi
curl -u $user:$api_token $JENKINS_URL/someCommand

Okay, this question was a year ago but I recently got this problem as well.

So what I did :

1. Update tomcat 7 to tomcat 8.
2. Update to the latest java (java 1.8.0_141).
3. Update the JRE System Library in Project > Properties > Java Build Path. Make sure it has the latest version which in my case is jre1.8.0_141 (before it was the previous version jre1.8.0_111)

When I did the first two steps it still doesn't remove the error so the last step is important. It didn't automatically change the build path for jre.

Vendor independent version, solely relies on ADO.NET interfaces; 2 ways:

public DataTable Read1<T>(string query) where T : IDbConnection, new()
{
    using (var conn = new T())
    {
        using (var cmd = conn.CreateCommand())
        {
            cmd.CommandText = query;
            cmd.Connection.ConnectionString = _connectionString;
            cmd.Connection.Open();
            var table = new DataTable();
            table.Load(cmd.ExecuteReader());
            return table;
        }
    }
}

public DataTable Read2<S, T>(string query) where S : IDbConnection, new() 
                                           where T : IDbDataAdapter, IDisposable, new()
{
    using (var conn = new S())
    {
        using (var da = new T())
        {
            using (da.SelectCommand = conn.CreateCommand())
            {
                da.SelectCommand.CommandText = query;
                da.SelectCommand.Connection.ConnectionString = _connectionString;
                DataSet ds = new DataSet(); //conn is opened by dataadapter
                da.Fill(ds);
                return ds.Tables[0];
            }
        }
    }
}

I did some performance testing, and the second approach always outperformed the first.

Stopwatch sw = Stopwatch.StartNew();
DataTable dt = null;
for (int i = 0; i < 100; i++)
{
    dt = Read1<MySqlConnection>(query); // ~9800ms
    dt = Read2<MySqlConnection, MySqlDataAdapter>(query); // ~2300ms

    dt = Read1<SQLiteConnection>(query); // ~4000ms
    dt = Read2<SQLiteConnection, SQLiteDataAdapter>(query); // ~2000ms

    dt = Read1<SqlCeConnection>(query); // ~5700ms
    dt = Read2<SqlCeConnection, SqlCeDataAdapter>(query); // ~5700ms

    dt = Read1<SqlConnection>(query); // ~850ms
    dt = Read2<SqlConnection, SqlDataAdapter>(query); // ~600ms

    dt = Read1<VistaDBConnection>(query); // ~3900ms
    dt = Read2<VistaDBConnection, VistaDBDataAdapter>(query); // ~3700ms
}
sw.Stop();
MessageBox.Show(sw.Elapsed.TotalMilliseconds.ToString());

Read1 looks better on eyes, but data adapter performs better (not to confuse that one db outperformed the other, the queries were all different). The difference between the two depended on query though. The reason could be that Load requires various constraints to be checked row by row from the documentation when adding rows (its a method on DataTable) while Fill is on DataAdapters which were designed just for that - fast creation of DataTables.

The stream should really by disposed of even if there's an exception (quite likely on file I/O) - using clauses are my favourite approach for this, so for writing your MemoryStream, you can use:

using (FileStream file = new FileStream("file.bin", FileMode.Create, FileAccess.Write)) {
    memoryStream.WriteTo(file);
}

And for reading it back:

using (FileStream file = new FileStream("file.bin", FileMode.Open, FileAccess.Read)) {
    byte[] bytes = new byte[file.Length];
    file.Read(bytes, 0, (int)file.Length);
    ms.Write(bytes, 0, (int)file.Length);
}

If the files are large, then it's worth noting that the reading operation will use twice as much memory as the total file size. One solution to that is to create the MemoryStream from the byte array - the following code assumes you won't then write to that stream.

MemoryStream ms = new MemoryStream(bytes, writable: false);

My research (below) shows that the internal buffer is the same byte array as you pass it, so it should save memory.

byte[] testData = new byte[] { 104, 105, 121, 97 };
var ms = new MemoryStream(testData, 0, 4, false, true);
Assert.AreSame(testData, ms.GetBuffer());

Extensions make our lives easier:

static public class StringExtensions
{
    static public string ReplaceInsensitive(this string str, string from, string to)
    {
        str = Regex.Replace(str, from, to, RegexOptions.IgnoreCase);
        return str;
    }
}