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.
I would suggest a slight change in your logic. It may or may not work, depending on what you need to accomplish.
handle_event() can still do the "boring default code" but instead of being virtual, at the point where you want it to do the "new exciting code" have the base class call an abstract method (i.e. must-be-overridden) method that will be supplied by your descendant class.
EDIT: And if you later decide that some of your descendant classes do not need to provide "new exciting code" then you can change the abstract to virtual and supply an empty base class implementation of that "inserted" functionality.
Perhaps it's changed now, but I have used a separate stylesheet with this element:
.feedEkList iframe
{
max-width: 435px!important;
width: 435px!important;
height: 320px!important;
}
to successfully style embedded youtube iframes...see the blog posts on this page.
Although overloading paradigm is not fully supported by PHP the same (or very similar) effect can be achieved with default parameter(s) (as somebody mentioned before).
If you define your function like this:
function f($p=0)
{
if($p)
{
//implement functionality #1 here
}
else
{
//implement functionality #2 here
}
}
When you call this function like:
f();
you'll get one functionality (#1), but if you call it with parameter like:
f(1);
you'll get another functionality (#2). That's the effect of overloading - different functionality depending on function's input parameter(s).
I know, somebody will ask now what functionality one will get if he/she calls this function as f(0).
Another way with ES5 is to explicitely traverse the prototype chain using Object.getPrototypeOf(this)
const speaker = {
speak: () => console.log('the speaker has spoken')
}
const announcingSpeaker = Object.create(speaker, {
speak: {
value: function() {
console.log('Attention please!')
Object.getPrototypeOf(this).speak()
}
}
})
announcingSpeaker.speak()
Well, display: none;
will not display the table at all, try display: inline-block;
with the width and min-width declarations remaining 'auto'.
Edit: It's now six years since the original answer was written and a lot has changed!
Good luck!
JavaScript inheritance looks a bit different from Java. Here is how the native JavaScript object system looks:
// Create a class
function Vehicle(color){
this.color = color;
}
// Add an instance method
Vehicle.prototype.go = function(){
return "Underway in " + this.color;
}
// Add a second class
function Car(color){
this.color = color;
}
// And declare it is a subclass of the first
Car.prototype = new Vehicle();
// Override the instance method
Car.prototype.go = function(){
return Vehicle.prototype.go.call(this) + " car"
}
// Create some instances and see the overridden behavior.
var v = new Vehicle("blue");
v.go() // "Underway in blue"
var c = new Car("red");
c.go() // "Underway in red car"
Unfortunately this is a bit ugly and it does not include a very nice way to "super": you have to manually specify which parent classes' method you want to call. As a result, there are a variety of tools to make creating classes nicer. Try looking at Prototype.js, Backbone.js, or a similar library that includes a nicer syntax for doing OOP in js.
Sometimes you need to call the base class' implementation, when you aren't in the derived function...It still works:
struct Base
{
virtual int Foo()
{
return -1;
}
};
struct Derived : public Base
{
virtual int Foo()
{
return -2;
}
};
int main(int argc, char* argv[])
{
Base *x = new Derived;
ASSERT(-2 == x->Foo());
//syntax is trippy but it works
ASSERT(-1 == x->Base::Foo());
return 0;
}
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.
You just have to reset the values you don't want to their defaults. No need to get into a mess by using !important
.
#zoomTarget .slikezamenjanje img {
max-height: auto;
padding-right: 0px;
}
I think the key datum you are missing is that CSS comes with default values. If you want to override a value, set it back to its default, which you can look up.
For example, all CSS height
and width
attributes default to auto
.
Static methods can not be overridden in the exact sense of the word, but they can hide parent static methods
In practice it means that the compiler will decide which method to execute at the compile time, and not at the runtime, as it does with overridden instance methods.
For a neat example have a look here.
And this is java documentation explaining the difference between overriding instance methods and hiding class (static) methods.
Overriding: Overriding in Java simply means that the particular method would be called based on the run time type of the object and not on the compile time type of it (which is the case with overriden static methods)
Hiding: Parent class methods that are static are not part of a child class (although they are accessible), so there is no question of overriding it. Even if you add another static method in a subclass, identical to the one in its parent class, this subclass static method is unique and distinct from the static method in its parent class.
You don't really have to call the __init__
methods of the base class(es), but you usually want to do it because the base classes will do some important initializations there that are needed for rest of the classes methods to work.
For other methods it depends on your intentions. If you just want to add something to the base classes behavior you will want to call the base classes method additionally to your own code. If you want to fundamentally change the behavior, you might not call the base class' method and implement all the functionality directly in the derived class.
You can underline the UILabel
text using Interface Builder.
Here is the link of my answer : Adding underline attribute to partial text UILabel in storyboard
This should be enough to answer your question: http://docs.oracle.com/javase/tutorial/java/IandI/objectclass.html
The
equals()
method compares two objects for equality and returnstrue
if they are equal. Theequals()
method provided in theObject
class uses the identity operator (==
) to determine whether two objects are equal. For primitive data types, this gives the correct result. For objects, however, it does not. Theequals()
method provided byObject
tests whether the object references are equal—that is, if the objects compared are the exact same object.To test whether two objects are equal in the sense of equivalency (containing the same information), you must override the
equals()
method.
(Partial quote - click through to read examples.)
Even better, how about OnPause():
Called as part of the activity lifecycle when an activity is going into the background, but has not (yet) been killed. The counterpart to onResume().
When activity B is launched in front of activity A, this callback will be invoked on A. B will not be created until A's onPause() returns, so be sure toenter code here
not do anything lengthy here.
This callback is mostly used for saving any persistent state the activity is editing and making sure nothing is lost if there are not enough resources to start the new activity without first killing this one.
This is also a good place to do things like stop animations and other things that consume a noticeable amount of CPU in order to make the switch to the next activity as fast as possible, or to close resources that are exclusive access such as the camera.
1.Function Overloading is when multiple function with same name exist in a class. Function Overriding is when function have same prototype in base class as well as derived class.
2.Function Overloading can occur without inheritance. Function Overriding occurs when one class is inherited from another class.
3.Overloaded functions must differ in either number of parameters or type of parameters should be different. In Overridden function parameters must be same.
For more detail you can visit below link where you get more information about function overloading and overriding in c++ https://googleweblight.com/i?u=https://www.geeksforgeeks.org/function-overloading-vs-function-overriding-in-cpp/&hl=en-IN
The following is a nice generic alternative to valueOf()
public static RandomEnum getEnum(String value) {
for (RandomEnum re : RandomEnum.values()) {
if (re.description.compareTo(value) == 0) {
return re;
}
}
throw new IllegalArgumentException("Invalid RandomEnum value: " + value);
}
Still amazed that none recommended the guava library for this.
//Sample taken from a current working project of mine just to illustrate the idea
@Override
public int hashCode(){
return Objects.hashCode(this.getDate(), this.datePattern);
}
@Override
public boolean equals(Object obj){
if ( ! obj instanceof DateAndPattern ) {
return false;
}
return Objects.equal(((DateAndPattern)obj).getDate(), this.getDate())
&& Objects.equal(((DateAndPattern)obj).getDate(), this.getDatePattern());
}
The keyword super
doesn't "stick". Every method call is handled individually, so even if you got to SuperClass.method1()
by calling super
, that doesn't influence any other method call that you might make in the future.
That means there is no direct way to call SuperClass.method2()
from SuperClass.method1()
without going though SubClass.method2()
unless you're working with an actual instance of SuperClass
.
You can't even achieve the desired effect using Reflection (see the documentation of java.lang.reflect.Method.invoke(Object, Object...)
).
[EDIT] There still seems to be some confusion. Let me try a different explanation.
When you invoke foo()
, you actually invoke this.foo()
. Java simply lets you omit the this
. In the example in the question, the type of this
is SubClass
.
So when Java executes the code in SuperClass.method1()
, it eventually arrives at this.method2();
Using super
doesn't change the instance pointed to by this
. So the call goes to SubClass.method2()
since this
is of type SubClass
.
Maybe it's easier to understand when you imagine that Java passes this
as a hidden first parameter:
public class SuperClass
{
public void method1(SuperClass this)
{
System.out.println("superclass method1");
this.method2(this); // <--- this == mSubClass
}
public void method2(SuperClass this)
{
System.out.println("superclass method2");
}
}
public class SubClass extends SuperClass
{
@Override
public void method1(SubClass this)
{
System.out.println("subclass method1");
super.method1(this);
}
@Override
public void method2(SubClass this)
{
System.out.println("subclass method2");
}
}
public class Demo
{
public static void main(String[] args)
{
SubClass mSubClass = new SubClass();
mSubClass.method1(mSubClass);
}
}
If you follow the call stack, you can see that this
never changes, it's always the instance created in main()
.
overloading is when you define 2 methods with the same name but different parameters
overriding is where you change the behavior of the base class via a function with the same name in a subclass.
So Polymorphism is related to overriding but not really overloading.
However if someone gave me a simple answer of "overriding" for the question "What is polymorphism?" I would ask for further explanation.
yes It is possible.. returns type can be different only if parent class method return type is
a super type of child class method return type..
means
class ParentClass {
public Circle() method1() {
return new Cirlce();
}
}
class ChildClass extends ParentClass {
public Square method1() {
return new Square();
}
}
Class Circle {
}
class Square extends Circle {
}
Just call the onBackPressed()
method in the activity you want to show the dialog and inside it show your dialog.
Just use !important
it will help to override
background:none !important;
Although it is said to be a bad practice, !important
can be useful for utility classes, you just need to use it responsibly, check this: When Using important is the right choice
Method overloading is a compile time polymorphism, let's take an example to understand the concept.
class Person //person.java file
{
public static void main ( String[] args )
{
Eat e = new Eat();
e.eat(noodle); //line 6
}
void eat (Noodles n) //Noodles is a object line 8
{
}
void eat ( Pizza p) //Pizza is a object
{
}
}
In this example, Person has a eat method which represents that he can either eat Pizza or Noodles. That the method eat is overloaded when we compile this Person.java the compiler resolves the method call " e.eat(noodles) [which is at line 6] with the method definition specified in line 8 that is it method which takes noodles as parameter and the entire process is done by Compiler so it is Compile time Polymorphism. The process of replacement of the method call with method definition is called as binding, in this case, it is done by the compiler so it is called as early binding.
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)
Of course using private attributes, and getters and setters would be the recommended thing to do, but I tested the following, and it works... See the comment in the code
class Dad
{
protected static String me = "dad";
public void printMe()
{
System.out.println(me);
}
}
class Son extends Dad
{
protected static String me = "son";
/*
Adding Method printMe() to this class, outputs son
even though Attribute me from class Dad can apparently not be overridden
*/
public void printMe()
{
System.out.println(me);
}
}
class Tester
{
public static void main(String[] arg)
{
new Son().printMe();
}
}
Sooo ... did I just redefine the rules of inheritance or did I put Oracle into a tricky situation ? To me, protected static String me is clearly overridden, as you can see when you execute this program. Also, it does not make any sense to me why attributes should not be overridable.
I'm not sure of the details as you haven't posted the whole code, but:
hashCode()
as wellequals
method should have Object
, not People
as its argument type. At the moment you are overloading, not overriding, the equals method, which probably isn't what you want, especially given that you check its type later.instanceof
to check it is a People object e.g. if (!(other instanceof People)) { result = false;}
equals
is used for all objects, but not primitives. I think you mean age is an int
(primitive), in which case just use ==
. Note that an Integer (with a capital 'I') is an Object which should be compared with equals.See What issues should be considered when overriding equals and hashCode in Java? for more details.
Cannot override constructor. Constructor can be regarded as static, subclass cannot override its super constructor.
Of course, you could call protected-method in super class constructor, then overide it in subclass to change super class constructor. However, many persons suggest not to use the trick, in order to protect super class constructor behavior. For instance, FindBugs will warn you that a constructor calls a non-final method.
Try implementing the interface as anonymous.
public class MyClass extends MySuperClass implements MyInterface{
MyInterface myInterface = new MyInterface(){
/* Overrided method from interface */
@override
public void method1(){
}
};
/* Overrided method from superclass*/
@override
public void method1(){
}
}
You may try this
alist[0] = 2014
but if you are not sure about the position of 123 then you may try like this:
for idx, item in enumerate(alist):
if 123 in item:
alist[idx] = 2014
You can simply use:
mvn --settings YourOwnSettings.xml clean install
or
mvn -s YourOwnSettings.xml clean install
No its not. Use Meyers CSS reset :) http://meyerweb.com/eric/tools/css/reset/
It's actually very hard to implement GetHashCode()
correctly because, in addition to the rules Marc already mentioned, the hash code should not change during the lifetime of an object. Therefore the fields which are used to calculate the hash code must be immutable.
I finally found a solution to this problem when I was working with NHibernate. My approach is to calculate the hash code from the ID of the object. The ID can only be set though the constructor so if you want to change the ID, which is very unlikely, you have to create a new object which has a new ID and therefore a new hash code. This approach works best with GUIDs because you can provide a parameterless constructor which randomly generates an ID.
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 the Implementation of Paul Burkes answer:
public class ShadowImageView extends ImageView {
public ShadowImageView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public ShadowImageView(Context context, AttributeSet attrs) {
super(context, attrs);
}
public ShadowImageView(Context context) {
super(context);
}
private Paint createShadow() {
Paint mShadow = new Paint();
float radius = 10.0f;
float xOffset = 0.0f;
float yOffset = 2.0f;
// color=black
int color = 0xFF000000;
mShadow.setShadowLayer(radius, xOffset, yOffset, color);
return mShadow;
}
@Override
protected void onDraw(Canvas canvas) {
Paint mShadow = createShadow();
Drawable d = getDrawable();
if (d != null){
setLayerType(LAYER_TYPE_SOFTWARE, mShadow);
Bitmap bitmap = ((BitmapDrawable) getDrawable()).getBitmap();
canvas.drawBitmap(bitmap, 0.0f, 0.0f, mShadow);
} else {
super.onDraw(canvas);
}
};
}
TODO:
execute setLayerType(LAYER_TYPE_SOFTWARE, mShadow);
only if API Level is > 10
I had some code written by someone else and wanted to add a line to a function which i could not find in the code. So as a workaround I wanted to override it.
None of the solutions worked for me though.
Here is what worked in my case:
if (typeof originalFunction === "undefined") {
originalFunction = targetFunction;
targetFunction = function(x, y) {
//Your code
originalFunction(a, b);
//Your Code
};
}
Eclipse is defaulting to Java 1.5 and you have classes implementing interface methods (which in Java 1.6 can be annotated with @Override
, but in Java 1.5 can only be applied to methods overriding a superclass method).
Go to your project/IDE preferences and set the Java compiler level to 1.6 and also make sure you select JRE 1.6 to execute your program from Eclipse.
Simply put, this is wrong because it unnecessarily opens up possibilities to MANY bugs. When the @Override
is invoked, the state of the object may be inconsistent and/or incomplete.
A quote from Effective Java 2nd Edition, Item 17: Design and document for inheritance, or else prohibit it:
There are a few more restrictions that a class must obey to allow inheritance. Constructors must not invoke overridable methods, directly or indirectly. If you violate this rule, program failure will result. The superclass constructor runs before the subclass constructor, so the overriding method in the subclass will be invoked before the subclass constructor has run. If the overriding method depends on any initialization performed by the subclass constructor, the method will not behave as expected.
Here's an example to illustrate:
public class ConstructorCallsOverride {
public static void main(String[] args) {
abstract class Base {
Base() {
overrideMe();
}
abstract void overrideMe();
}
class Child extends Base {
final int x;
Child(int x) {
this.x = x;
}
@Override
void overrideMe() {
System.out.println(x);
}
}
new Child(42); // prints "0"
}
}
Here, when Base
constructor calls overrideMe
, Child
has not finished initializing the final int x
, and the method gets the wrong value. This will almost certainly lead to bugs and errors.
Constructors with many parameters can lead to poor readability, and better alternatives exist.
Here's a quote from Effective Java 2nd Edition, Item 2: Consider a builder pattern when faced with many constructor parameters:
Traditionally, programmers have used the telescoping constructor pattern, in which you provide a constructor with only the required parameters, another with a single optional parameters, a third with two optional parameters, and so on...
The telescoping constructor pattern is essentially something like this:
public class Telescope {
final String name;
final int levels;
final boolean isAdjustable;
public Telescope(String name) {
this(name, 5);
}
public Telescope(String name, int levels) {
this(name, levels, false);
}
public Telescope(String name, int levels, boolean isAdjustable) {
this.name = name;
this.levels = levels;
this.isAdjustable = isAdjustable;
}
}
And now you can do any of the following:
new Telescope("X/1999");
new Telescope("X/1999", 13);
new Telescope("X/1999", 13, true);
You can't, however, currently set only the name
and isAdjustable
, and leaving levels
at default. You can provide more constructor overloads, but obviously the number would explode as the number of parameters grow, and you may even have multiple boolean
and int
arguments, which would really make a mess out of things.
As you can see, this isn't a pleasant pattern to write, and even less pleasant to use (What does "true" mean here? What's 13?).
Bloch recommends using a builder pattern, which would allow you to write something like this instead:
Telescope telly = new Telescope.Builder("X/1999").setAdjustable(true).build();
Note that now the parameters are named, and you can set them in any order you want, and you can skip the ones that you want to keep at default values. This is certainly much better than telescoping constructors, especially when there's a huge number of parameters that belong to many of the same types.
Wikipedia says:
Method overriding, in object oriented programming, is a language feature that allows a subclass or child class to provide a specific implementation of a method that is already provided by one of its superclasses or parent classes.
In detail, when you have an object foo that has a void hello() function:
class foo {
virtual void hello(); // Code : printf("Hello!");
}
A child of foo, will also have a hello() function:
class bar : foo {
// no functions in here but yet, you can call
// bar.hello()
}
However, you may want to print "Hello Bar!" when hello() function is being called from a bar object. You can do this using override
class bar : foo {
virtual void hello() override; // Code : printf("Hello Bar!");
}
Setting thoses two properties were enough to make it work for me, and doesn't expose to security issues :
WebSettings settings = webView.getSettings();
settings.setJavaScriptEnabled(true);
settings.setDomStorageEnabled(true);
I know this is an old thread, but there's a newer way then having to use fsutil or diskpart.
Run this powershell command.
Get-Volume | Format-List AllocationUnitSize, FileSystemLabel
I had the same problem, in user environment variable settings I was having JAVA_HOME and PATH configured properly but it didn't work. As I update my system environment variables then it started to work.
1. Final • Final is used to apply restrictions on class, method and variable. • Final class can't be inherited, final method can't be overridden and final variable value can't be changed. • Final variables are initialized at the time of creation except in case of blank final variable which is initialized in Constructor. • Final is a keyword.
2. Finally • Finally is used for exception handling along with try and catch. • It will be executed whether exception is handled or not. • This block is used to close the resources like database connection, I/O resources. • Finally is a block.
3. Finalize • Finalize is called by Garbage collection thread just before collecting eligible objects to perform clean up processing. • This is the last chance for object to perform any clean-up but since it’s not guaranteed that whether finalize () will be called, its bad practice to keep resource till finalize call. • Finalize is a method.
No one has mentioned -m
option for remote shutdown:
shutdown -r -f -m \\machinename
Also:
-r
parameter causes a reboot (which is usually what you want on a remote machine, since physically starting it might be difficult).-f
parameter option forces the reboot. root/
assets/
lib/-------------------------libraries--------------------
bootstrap/--------------Libraries can have js/css/images------------
css/
js/
images/
jquery/
js/
font-awesome/
css/
images/
common/--------------------common section will have application level resources
css/
js/
img/
index.html
This is how I organized my application's static resources.
You can create constants in many different ways:
const myString = "hello"
const pi = 3.14 // untyped constant
const life int = 42 // typed constant (can use only with ints)
You can also create a enum constant:
const (
First = 1
Second = 2
Third = 4
)
You can not create constants of maps, arrays and it is written in effective go:
Constants in Go are just that—constant. They are created at compile time, even when defined as locals in functions, and can only be numbers, characters (runes), strings or booleans. Because of the compile-time restriction, the expressions that define them must be constant expressions, evaluatable by the compiler. For instance, 1<<3 is a constant expression, while math.Sin(math.Pi/4) is not because the function call to math.Sin needs to happen at run time.
<script>
var jsvar = <?php echo json_encode($PHPVar); ?>;
</script>
json_encode() requires:
$PHPVar
encoded as UTF-8, Unicode.ctrl + c OR ctrl + Pause/Break
Both will ask for Terminate batch job, then press Y or y and click enter.
please modify your router.module.ts as:
const routes: Routes = [
{
path: '',
redirectTo: 'one',
pathMatch: 'full'
},
{
path: 'two',
component: ClassTwo, children: [
{
path: 'three',
component: ClassThree,
outlet: 'nameThree',
},
{
path: 'four',
component: ClassFour,
outlet: 'nameFour'
},
{
path: '',
redirectTo: 'two',
pathMatch: 'full'
}
]
},];
and in your component1.html
<h3>In One</h3>
<nav>
<a routerLink="/two" class="dash-item">...Go to Two...</a>
<a routerLink="/two/three" class="dash-item">... Go to THREE...</a>
<a routerLink="/two/four" class="dash-item">...Go to FOUR...</a>
</nav>
<router-outlet></router-outlet> // Successfully loaded component2.html
<router-outlet name="nameThree" ></router-outlet> // Error: Cannot match any routes. URL Segment: 'three'
<router-outlet name="nameFour" ></router-outlet> // Error: Cannot match any routes. URL Segment: 'three'
getResourceAsStream() look inside of your resource folder. So the fil shold be placed inside of the defined resource-folder i.e if the file reside in /src/main/resources/properties --> then the path should be /properties/yourFilename.
getClass.getResourceAsStream(/properties/yourFilename)
SELECT COUNT(DISTINCT column_name) FROM table as column_name_count;
you've got to count that distinct col, then give it an alias.
Place right_ax
before set_ylabel()
ax.right_ax.set_ylabel('AB scale')
You can go with the literal control of ASP.net or you can use panels or the purpose.
jQuery's .bind() fires in the order it was bound:
When an event reaches an element, all handlers bound to that event type for the element are fired. If there are multiple handlers registered, they will always execute in the order in which they were bound. After all handlers have executed, the event continues along the normal event propagation path.
Source: http://api.jquery.com/bind/
Because jQuery's other functions (ex. .click()
) are shortcuts for .bind('click', handler)
, I would guess that they are also triggered in the order they are bound.
tldr; jsFiddle Demo
This functionality is not possible with an alert. However, you could use a div
function tempAlert(msg,duration)
{
var el = document.createElement("div");
el.setAttribute("style","position:absolute;top:40%;left:20%;background-color:white;");
el.innerHTML = msg;
setTimeout(function(){
el.parentNode.removeChild(el);
},duration);
document.body.appendChild(el);
}
Use this like this:
tempAlert("close",5000);
tabControl1.SelectedTab = MyTab;
I tested all the cases in the latest Chrome, Firefox, Safari in 2019.
Response to Added:
A global variable could be accessible in all your forms in your project if you use the keyword public shared
if it is in a class. It will also work if you use the keyword "public" if it is under a Module, but it is not the best practice for many reasons.
(... Yes, I somewhat repeating what "Cody Gray" and "RBarryYoung" said.)
One of the problems is when you have two threads that call the same global variable at the same time. You will have some surprises. You might have unexpected reactions if you don't know their limitations. Take a look at the post Global Variables in Visual Basic .NET and download the sample project!
Try this: http://jsbin.com/axaler/3/edit
$(function(){
$(window).scroll(function(){
var aTop = $('.ad').height();
if($(this).scrollTop()>=aTop){
alert('header just passed.');
// instead of alert you can use to show your ad
// something like $('#footAd').slideup();
}
});
});
This work for me:
let inputValue = (swal.getPopup().querySelector('#inputValue ')as HTMLInputElement).value
An easily broken way to do this is :
<?php
// Send the headers
header('Content-type: text/xml');
header('Pragma: public');
header('Cache-control: private');
header('Expires: -1');
echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>";
echo '<xml>';
// echo some dynamically generated content here
/*
<track>
<path>song_path</path>
<title>track_number - track_title</title>
</track>
*/
echo '</xml>';
?>
save it as .php
If you are using a string resource xml file (supports HTML tags), it can be done using<b> </b>
, <i> </i>
and <u> </u>
.
<resources>
<string name="your_string_here">
This is an <u>underline</u>.
</string>
</resources>
If you want to underline something from code use:
TextView tv = (TextView) view.findViewById(R.id.tv);
SpannableString content = new SpannableString("Content");
content.setSpan(new UnderlineSpan(), 0, content.length(), 0);
tv.setText(content);
Hope this helps
2018 10 25. Update.
Notepad++ 7.5.8 does not have plugin manager by default. You have to download plugins manually.
Keep in mind, if you use 64 bit version of Notepad++, you should also use 64 bit version of plugin. I had a similar issue here.
Maybe you're missing some plugins, try:
npm i --save-dev babel-plugin-transform-vue-jsx
npm i --save-dev babel-plugin-transform-runtime
npm i --save-dev babel-plugin-syntax-dynamic-import
public IList<Splitting> get(Guid companyId, long customrId) {
var res=from c in Customers_data_source
where c.CustomerId = customrId && c.CompanyID == companyId
from s in Splittings_data_srouce
where s.CustomerID = c.CustomerID
select s;
return res.ToList();
}
With HTML5, the easiest way is simply to do height: 100vh
. Where 'vh' stands for viewport height of the browser window. Responsive to resizing of browser and mobile devices.
To change the default "sub-menu" class name, there is simple way. You can just change it in wordpress file.
location : www/project_name/wp-includes/nav-menu-template.php.
open this file and at line number 49, change the name of sub-menu class with your custom class.
Or you can also add your custom class next to sub-menu.
Done.
It worked for me.I used wordpress-4.4.1.
Select your database - Right Click - Select Properties
Select FILE in left side of page
In the OWNER box, select button which has three dots (…) in it
Now select user ‘sa and Click OK
Had the same issue and got curious about the performance of each solution.
Here's is the %timeit
:
import numpy as np
lst = [['a','b','c'], [1,2,3], ['x','y','z']]
The first numpy-way, transforming the array:
%timeit list(np.array(lst).T[0])
4.9 µs ± 163 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each)
Fully native using list comprehension (as explained by @alecxe):
%timeit [item[0] for item in lst]
379 ns ± 23.1 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
Another native way using zip
(as explained by @dawg):
%timeit list(zip(*lst))[0]
585 ns ± 7.26 ns per loop (mean ± std. dev. of 7 runs, 1000000 loops each)
Second numpy-way. Also explained by @dawg:
%timeit list(np.array(lst)[:,0])
4.95 µs ± 179 ns per loop (mean ± std. dev. of 7 runs, 100000 loops each)
Surprisingly (well, at least for me) the native way using list comprehension is the fastest and about 10x faster than the numpy-way. Running the two numpy-ways without the final list
saves about one µs which is still in the 10x difference.
Note that, when I surrounded each code snippet with a call to len
, to ensure that Generators run till the end, the timing stayed the same.
Go to build settings in your project file and search for "Objective-C Generated Interface Header Name. The value of that property is the name that you should include.
If your "Product Module Name" property (the one that the above property depends on by default) varies depending on whether you compile for test/debug/release/etc (like it does in my case), then make this property independent of that variation by setting a custom name.
If you use numpy
, this is easy:
slice = arr[:2,:2]
or if you want the 0's,
slice = arr[0:2,0:2]
You'll get the same result.
*note that slice
is actually the name of a builtin-type. Generally, I would advise giving your object a different "name".
Another way, if you're working with lists of lists*:
slice = [arr[i][0:2] for i in range(0,2)]
(Note that the 0's here are unnecessary: [arr[i][:2] for i in range(2)]
would also work.).
What I did here is that I take each desired row 1 at a time (arr[i]
). I then slice the columns I want out of that row and add it to the list that I'm building.
If you naively try: arr[0:2]
You get the first 2 rows which if you then slice again arr[0:2][0:2]
, you're just slicing the first two rows over again.
*This actually works for numpy arrays too, but it will be slow compared to the "native" solution I posted above.
You can escape (this is how this principle is called) the double quotes by prefixing them with another double quote. You can put them in a string as follows:
Dim MyVar as string = "some text ""hello"" "
This will give the MyVar
variable a value of some text "hello"
.
Just a slight modification to @JohnnyHK answer
collection.find().sort({datefield: -1}, function(err, cursor){...});
In many use cases we wish to have latest records to be returned (like for latest updates / inserts).
Still no print no native print function, but outside the installing the suggested package, you can go the autohotkey way, as the that app can actually help you run macros for other stuff as well. So you can do something like create a macro that with one click does:
No the most glamorous of options but could also work if the receiving app has can accept code-formatting.
When I want to have docstrings for my bash functions, I use a solution similar to the suggestion of user12205 in a duplicate of this question.
See how I define USAGE for a solution that:
function foo {
# Docstring
read -r -d '' USAGE <<' END'
# This method prints foo to the terminal.
#
# Enter `foo -h` to see the docstring.
# It has indentations and multiple lines.
#
# Change the delimiter if you need hashtag for some reason.
# This can include $$ and = and eval, but won't be evaluated
END
if [ "$1" = "-h" ]
then
echo "$USAGE" | cut -d "#" -f 2 | cut -c 2-
return
fi
echo "foo"
}
So foo -h
yields:
This method prints foo to the terminal.
Enter `foo -h` to see the docstring.
It has indentations and multiple lines.
Change the delimiter if you need hashtag for some reason.
This can include $$ and = and eval, but won't be evaluated
Explanation
cut -d "#" -f 2
: Retrieve the second portion of the #
delimited lines. (Think a csv with "#" as the delimiter, empty first column).
cut -c 2-
: Retrieve the 2nd to end character of the resultant string
Also note that if [ "$1" = "-h" ]
evaluates as False
if there is no first argument, w/o error, since it becomes an empty string.
To set parameters to your HttpPostRequest
you can use BasicNameValuePair
, something like this :
HttpClient httpclient;
HttpPost httpPost;
ArrayList<NameValuePair> postParameters;
httpclient = new DefaultHttpClient();
httpPost = new HttpPost("your login link");
postParameters = new ArrayList<NameValuePair>();
postParameters.add(new BasicNameValuePair("param1", "param1_value"));
postParameters.add(new BasicNameValuePair("param2", "param2_value"));
httpPost.setEntity(new UrlEncodedFormEntity(postParameters, "UTF-8"));
HttpResponse response = httpclient.execute(httpPost);
Deleting contents of folder C:\Users\User_Name\AppData\Roaming\pgAdmin\sessions helped me, I was able to start and load the pgAdmin server
I have 2 accounts on my windows machine and I was experiencing this problem with one of them. I did not want to use the sa
account, I wanted to use Windows login. It was not immediately obvious to me that I needed to simply sign into the other account that I used to install SQL Server, and add the permissions for the new account from there
(SSMS > Security > Logins > Add a login there)
Easy way to get the full domain name you need to add there open cmd echo each one.
echo %userdomain%\%username%
Add a login for that user and give it all the permissons for master db and other databases you want. When I say "all permissions" make sure NOT to check of any of the "deny" permissions since that will do the opposite.
You can try
<h3 style="text-align:center;"><iframe src=""></iframe></h3>
I hope its useful for you
# is digit prime? we will see (Coder: Chikak)
def is_prime(x):
flag = False
if x < 2:
return False
else:
for count in range(2, x):
if x % count == 0:
flag = True
break
if flag == True:
return False
return True
Simple :
<div style='overflow-x:scroll;overflow-y:scroll;width:100%;height:100%'>
You are quite right to be concerned - static method calls are particularly problematic for unit testing as you cannot easily mock your dependencies. What I am going to show you is how to let the Spring IoC container do the dirty work for you, leaving you with neat, testable code. SecurityContextHolder is a framework class and while it may be ok for your low-level security code to be tied to it, you probably want to expose a neater interface to your UI components (i.e. controllers).
cliff.meyers mentioned one way around it - create your own "principal" type and inject an instance into consumers. The Spring <aop:scoped-proxy/> tag introduced in 2.x combined with a request scope bean definition, and the factory-method support may be the ticket to the most readable code.
It could work like following:
public class MyUserDetails implements UserDetails {
// this is your custom UserDetails implementation to serve as a principal
// implement the Spring methods and add your own methods as appropriate
}
public class MyUserHolder {
public static MyUserDetails getUserDetails() {
Authentication a = SecurityContextHolder.getContext().getAuthentication();
if (a == null) {
return null;
} else {
return (MyUserDetails) a.getPrincipal();
}
}
}
public class MyUserAwareController {
MyUserDetails currentUser;
public void setCurrentUser(MyUserDetails currentUser) {
this.currentUser = currentUser;
}
// controller code
}
Nothing complicated so far, right? In fact you probably had to do most of this already. Next, in your bean context define a request-scoped bean to hold the principal:
<bean id="userDetails" class="MyUserHolder" factory-method="getUserDetails" scope="request">
<aop:scoped-proxy/>
</bean>
<bean id="controller" class="MyUserAwareController">
<property name="currentUser" ref="userDetails"/>
<!-- other props -->
</bean>
Thanks to the magic of the aop:scoped-proxy tag, the static method getUserDetails will be called every time a new HTTP request comes in and any references to the currentUser property will be resolved correctly. Now unit testing becomes trivial:
protected void setUp() {
// existing init code
MyUserDetails user = new MyUserDetails();
// set up user as you wish
controller.setCurrentUser(user);
}
Hope this helps!
/
(?:
(?<month> (?&mon_29)) [\/] (?<day>(?&day_29))
| (?<month> (?&mon_30)) [\/] (?<day>(?&day_30))
| (?<month> (?&mon_31)) [\/] (?<day>(?&day_31))
)
[\/]
(?<year> [0-9]{4})
(?(DEFINE)
(?<mon_29> 0?2 )
(?<mon_30> 0?[469] | (11) )
(?<mon_31> 0?[13578] | 1[02] )
(?<day_29> 0?[1-9] | [1-2]?[0-9] )
(?<day_30> 0?[1-9] | [1-2]?[0-9] | 30 )
(?<day_31> 0?[1-9] | [1-2]?[0-9] | 3[01] )
)
/x
You can retrieve the elements by name in this version.
say "Month=$+{month} Day=$+{day} Year=$+{year}";
( No attempt has been made to restrict the values for the year. )
Here I'm offering a generic function for multiple set intersection trying to take advantage of the best method available:
def multiple_set_intersection(*sets):
"""Return multiple set intersection."""
try:
return set.intersection(*sets)
except TypeError: # this is Python < 2.6 or no arguments
pass
try: a_set= sets[0]
except IndexError: # no arguments
return set() # return empty set
return reduce(a_set.intersection, sets[1:])
Guido might dislike reduce
, but I'm kind of fond of it :)
You can also use the package manager directly:
dpkg -l | grep apache
This isn't focused on just version number, but it will make a broader search, which will give you other useful information, like module versions.
If you need not equal object condition use cross join sequences:
var query = from obj1 in set1
from obj2 in set2
where obj1.key1 == obj2.key2 && obj1.key3.contains(obj2.key5) [...conditions...]
Make sure you are using this org.json: https://mvnrepository.com/artifact/org.json/json
if you are using Java 8 then you can use
import org.json.JSONArray;
import org.json.JSONObject;
JSONArray array = ...;
array.forEach(item -> {
JSONObject obj = (JSONObject) item;
parse(obj);
});
Just added a simple test to prove that it works:
Add the following dependency into your pom.xml
file (To prove that it works, I have used the old jar which was there when I have posted this answer)
<dependency>
<groupId>org.json</groupId>
<artifactId>json</artifactId>
<version>20160810</version>
</dependency>
And the simple test code snippet will be:
import org.json.JSONArray;
import org.json.JSONObject;
public class Test {
public static void main(String args[]) {
JSONArray array = new JSONArray();
JSONObject object = new JSONObject();
object.put("key1", "value1");
array.put(object);
array.forEach(item -> {
System.out.println(item.toString());
});
}
}
output:
{"key1":"value1"}
Here's where it gets confusing, the text states "If the balance factor of R is 1, it means the insertion occurred on the (external) right side of that node and a left rotation is needed". But from m understanding the text said (as I quoted) that if the balance factor was within [-1, 1] then there was no need for balancing?
R
is the right-hand child of the current node N
.
If balance(N) = +2
, then you need a rotation of some sort. But which rotation to use? Well, it depends on balance(R)
: if balance(R) = +1
then you need a left-rotation on N
; but if balance(R) = -1
then you will need a double-rotation of some sort.
In addition to Boaz's answer ....
@UniqueConstraint
allows you to name the constraint, while @Column(unique = true)
generates a random name (e.g. UK_3u5h7y36qqa13y3mauc5xxayq
).
Sometimes it can be helpful to know what table a constraint is associated with. E.g.:
@Table(
name = "product_serial_group_mask",
uniqueConstraints = {
@UniqueConstraint(
columnNames = {"mask", "group"},
name="uk_product_serial_group_mask"
)
}
)
Pymongo 3.9+
update()
is now deprecated and you should use replace_one()
, update_one()
, or update_many()
instead.
In my case I used update_many()
and it solved my issue:
db.your_collection.update_many({}, {"$set": {"new_field": "value"}}, upsert=False, array_filters=None)
From documents
update_many(filter, update, upsert=False, array_filters=None, bypass_document_validation=False, collation=None, session=None) filter: A query that matches the documents to update. update: The modifications to apply. upsert (optional): If True, perform an insert if no documents match the filter. bypass_document_validation (optional): If True, allows the write to opt-out of document level validation. Default is False. collation (optional): An instance of Collation. This option is only supported on MongoDB 3.4 and above. array_filters (optional): A list of filters specifying which array elements an update should apply. Requires MongoDB 3.6+. session (optional): a ClientSession.
I had the same issue recently on my test server. After searching for reasons this might be happening and testing the solutions I found here, I recalled that I had clicked the "Stop this page from creating pop-ups" option a few hours before when the script I was working on was wildly popping up alerts.
The solution was as simple as closing the tab and opening a fresh one!
One common convention is to use a "_" as a variable name for the elements of the tuple you wish to ignore. For instance:
def f():
return 1, 2, 3
_, _, x = f()
You can use this CSS:
.content {
height: 100%;
display: inline-table;
background-color: blue;
}
The basic idea of static import is that whenever you are using a static class,a static variable or an enum,you can import them and save yourself from some typing.
I will elaborate my point with example.
import java.lang.Math;
class WithoutStaticImports {
public static void main(String [] args) {
System.out.println("round " + Math.round(1032.897));
System.out.println("min " + Math.min(60,102));
}
}
Same code, with static imports:
import static java.lang.System.out;
import static java.lang.Math.*;
class WithStaticImports {
public static void main(String [] args) {
out.println("round " + round(1032.897));
out.println("min " + min(60,102));
}
}
Note: static import can make your code confusing to read.
While most of the answers above are useful, in case you: 1) need it to support non-positive-integer values (e.g. floats or negative integers ;-)), and 2) aren't on Python 2.7 (which collections.Counter requires), and 3) prefer not to add the dependency of scipy (or even numpy) to your code, then a purely python 2.6 solution that is O(nlogn) (i.e., efficient) is just this:
from collections import defaultdict
a = [1,2,3,1,2,1,1,1,3,2,2,1]
d = defaultdict(int)
for i in a:
d[i] += 1
most_frequent = sorted(d.iteritems(), key=lambda x: x[1], reverse=True)[0]
This line looks questionable:
page_output.innerHTML = str_output;
You can use .innerHTML
within jQuery, or you can use it without, but you have to address the selector semantically one way or the other:
$('#page_output').innerHTML /* for jQuery */
document.getElementByID('page_output').innerHTML /* for standard JS */
or better yet
$('#page_output').html(str_output);
You can use the ScriptManager.RegisterStartupScript();
to call any of your javascript event/Client Event from the server. For example, to display a message using javascript's alert();
, you can do this:
protected void ddl_SelectedIndexChanged(object sender, EventArgs e)
{
Response.write("<script>alert('This is my message');</script>");
//----or alternatively and to be more proper
ScriptManager.RegisterStartupScript(this, this.GetType(), "callJSFunction", "alert('This is my message')", true);
}
To be exact for you, do this...
protected void ddl_SelectedIndexChanged(object sender, EventArgs e)
{
ScriptManager.RegisterStartupScript(this, this.GetType(), "callJSFunction", "CalcTotalAmt();", true);
}
public static int GCD(int x, int y) {
int r;
while (y!=0) {
r = x%y;
x = y;
y = r;
}
return x;
}
i believe the reason it is not working in your example is that you have imported datetime
like so :
from datetime import datetime
this leads to the error you see
In [30]: isinstance(x, datetime.date)
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
/<ipython-input-30-9a298ea6fce5> in <module>()
----> 1 isinstance(x, datetime.date)
TypeError: isinstance() arg 2 must be a class, type, or tuple of classes and types
if you simply import like so :
import datetime
the code will run as shown in all of the other answers
In [31]: import datetime
In [32]: isinstance(x, datetime.date)
Out[32]: True
In [33]:
Try putting this HTML snippet into your served document:
<img id="ItemPreview" src="">
Then, on JavaScript side, you can dynamically modify image's src
attribute with so-called Data URL.
document.getElementById("ItemPreview").src = "data:image/png;base64," + yourByteArrayAsBase64;
Alternatively, using jQuery:
$('#ItemPreview').attr('src', `data:image/png;base64,${yourByteArrayAsBase64}`);
This assumes that your image is stored in PNG format, which is quite popular. If you use some other image format (e.g. JPEG), modify the MIME type ("image/..."
part) in the URL accordingly.
Similar Questions:
The following does not return a response:
You must return anything like return afunction()
or return 'a string'
.
This can solve the issue
'parent.relativePath' points at wrong local POM @ myGroup:myParentArtifactId:1.0, C:\myProjectDir\parent\pom.xml
This indicates that maven did search locally for the parent pom, but found that it was not the correct pom.
pom.xml
of parentpom
correctly define the parent
pom as the pom.xml
of rootpom
?rootpom
folder contain pom.xml
as well as the paretpom
folder?I had a similar problem and solved it using list...not sure if this will help or not
classes = list(unique_labels(y_true, y_pred))
There's only one error:
cout.cpp:26:29: error: no match for ‘operator<<’ in ‘std::operator<< [with _Traits = std::char_traits]((* & std::cout), ((const char*)"my structure ")) << m’
This means that the compiler couldn't find a matching overload for operator<<
. The rest of the output is the compiler listing operator<<
overloads that didn't match. The third line actually says this:
cout.cpp:26:29: note: candidates are:
I always use the system types - e.g., Int32
instead of int
. I adopted this practice after reading Applied .NET Framework Programming - author Jeffrey Richter makes a good case for using the full type names. Here are the two points that stuck with me:
Type names can vary between .NET languages. For example, in C#, long
maps to System.Int64 while in C++ with managed extensions, long
maps to Int32. Since languages can be mixed-and-matched while using .NET, you can be sure that using the explicit class name will always be clearer, no matter the reader's preferred language.
Many framework methods have type names as part of their method names:
BinaryReader br = new BinaryReader( /* ... */ );
float val = br.ReadSingle(); // OK, but it looks a little odd...
Single val = br.ReadSingle(); // OK, and is easier to read
please check the mysql.ini file in your xampp mysql installation... its found on xampp/mysql/bin directory
check the line 43
> log_error="mysql_error.log"
> #bind-address="127.0.0.1"
uncomment the line 43 if its still commented
Assuming you have two programs that process the two files, process_in.exe and process_out.exe:
for %%f in (*.in) do (
echo %%~nf
process_in "%%~nf.in"
process_out "%%~nf.out"
)
%%~nf is a substitution modifier, that expands %f to a file name only. See other modifiers in https://technet.microsoft.com/en-us/library/bb490909.aspx (midway down the page) or just in the next answer.
After long time of investigation I found that:
android.util.Log
by default use java.util.logging.Logger
logger
with name ""
, to get instance of it use LogManager.getLogManager().getLogger("")
logger
instance of com.android.internal.logging.AndroidHandler
after run of debug appscom.android.internal.logging.AndroidHandler
prints messages to logcat only with levels more then java.util.logging.Level.INFO
such as (Level.INFO, Level.WARNING, Level.SEVERE, Level.OFF
) So to write logs to file just simple to the rootLogger
""
add a java.util.logging.FileHandler
:
class App : Application{
override fun onCreate() {
super.onCreate()
Log.d(TAG, printLoggers("before setup"))
val rootLogger = java.util.logging.LogManager.getLogManager().getLogger("")
val dirFile = destinationFolder
val file = File(dirFile,"logFile.txt")
val handler = java.util.logging.FileHandler(file.absolutePath, 5* 1024 * 1024/*5Mb*/, 1, true)
handler.formatter = AndroidLogFormatter(filePath = file.absolutePath)
rootLogger?.addHandler(handler)
Log.d(TAG, printLoggers("after setup"))
}
}
val destinationFolder: File
get() {
val parent =
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS).absoluteFile
val destinationFolder = File(parent, "MyApp")
if (!destinationFolder.exists()) {
destinationFolder.mkdirs()
destinationFolder.mkdir()
}
return destinationFolder
}
class AndroidLogFormatter(val filePath: String = "", var tagPrefix: String = "") : Formatter() {
override fun format(record: LogRecord): String {
val tag = record.getTag(tagPrefix)
val date = record.getDate()
val level = record.getLogCatLevel()
val message = record.getLogCatMessage()
return "$date $level$tag: $message\n"
}
}
fun LogRecord.getTag(tagPrefix: String): String {
val name = loggerName
val maxLength = 30
val tag = tagPrefix + (if (name.length > maxLength) name.substring(name.length - maxLength) else name)
return tag
}
fun LogRecord.getDate(): String? {
return Date(millis).formatedBy("yyyy-MM-dd HH:mm:ss.SSS")
}
fun Date?.formatedBy(dateFormat: String): String? {
val date = this
date ?: return null
val writeFormat = SimpleDateFormat(dateFormat, Locale.getDefault()) //MM ? HH:mm
return writeFormat.format(date)
}
fun LogRecord.getLogCatMessage(): String {
var message = message
if (thrown != null) {
message += Log.getStackTraceString(thrown)
}
return message
}
fun Int.getAndroidLevel(): Int {
return when {
this >= Level.SEVERE.intValue() -> { // SEVERE
Log.ERROR
}
this >= Level.WARNING.intValue() -> { // WARNING
Log.WARN
}
this >= Level.INFO.intValue() -> { // INFO
Log.INFO
}
else -> {
Log.DEBUG
}
}
}
fun LogRecord.getLogCatLevel(): String {
return when (level.intValue().getAndroidLevel()) {
Log.ERROR -> { // SEVERE
"E/"
}
Log.WARN -> { // WARNING
"W/"
}
Log.INFO -> { // INFO
"I/"
}
Log.DEBUG -> {
"D/"
}
else -> {
"D/"
}
}
}
fun getLoggerLevel(level: Int): Level {
return when (level) {
Log.ERROR -> { // SEVERE
Level.SEVERE
}
Log.WARN -> { // WARNING
Level.WARNING
}
Log.INFO -> { // INFO
Level.INFO
}
Log.DEBUG -> {
Level.FINE
}
else -> {
Level.FINEST
}
}
}
To print all loggers at your app use:
Log.e(TAG, printLoggers("before setup"))
private fun printLoggers(caller: String, printIfEmpty: Boolean = true): String {
val builder = StringBuilder()
val loggerNames = LogManager.getLogManager().loggerNames
builder.appendln("--------------------------------------------------------------")
builder.appendln("printLoggers: $caller")
while (loggerNames.hasMoreElements()) {
val element = loggerNames.nextElement()
val logger = LogManager.getLogManager().getLogger(element)
val parentLogger: Logger? = logger.parent
val handlers = logger.handlers
val level = logger?.level
if (!printIfEmpty && handlers.isEmpty()) {
continue
}
val handlersNames = handlers.map {
val handlerName = it.javaClass.simpleName
val formatter: Formatter? = it.formatter
val formatterName = if (formatter is AndroidLogFormatter) {
"${formatter.javaClass.simpleName}(${formatter.filePath})"
} else {
formatter?.javaClass?.simpleName
}
"$handlerName($formatterName)"
}
builder.appendln("level: $level logger: \"$element\" handlers: $handlersNames parentLogger: ${parentLogger?.name}")
}
builder.appendln("--------------------------------------------------------------")
return builder.toString()
}
Add an extra apostrophe '
to the MessageFormat
pattern String
to ensure the '
character is displayed
String text =
java.text.MessageFormat.format("You''re about to delete {0} rows.", 5);
^
An apostrophe (aka single quote) in a MessageFormat pattern starts a quoted string and is not interpreted on its own. From the javadoc
A single quote itself must be represented by doubled single quotes '' throughout a String.
The String
You\\'re
is equivalent to adding a backslash character to the String
so the only difference will be that You\re
will be produced rather than Youre
. (before double quote solution ''
applied)
Aside from the excellent and complete answer from ridgerunner, I thought of a very simple workaround for when your backend runs PHP.
Add this PHP file to your domain's backend (say: csv.php
)
<?php
session_start(); // Optional
header("content-type: text/xml");
header("charset=UTF-8");
// Set the delimiter and the End of Line character of your CSV content:
echo json_encode(array_map('str_getcsv', str_getcsv($_POST["csv"], "\n")));
?>
Now add this function to your JavaScript toolkit (should be revised a bit to make crossbrowser I believe).
function csvToArray(csv) {
var oXhr = new XMLHttpRequest;
oXhr.addEventListener("readystatechange",
function () {
if (this.readyState == 4 && this.status == 200) {
console.log(this.responseText);
console.log(JSON.parse(this.responseText));
}
}
);
oXhr.open("POST","path/to/csv.php",true);
oXhr.setRequestHeader("Content-type", "application/x-www-form-urlencoded; charset=utf-8");
oXhr.send("csv=" + encodeURIComponent(csv));
}
It will cost you one Ajax call, but at least you won't duplicate code nor include any external library.
I got this problem after i added a line in my build.gradle
file.
compile 'com.balysv:material-ripple:1.0.2'
Solution: I changed this line to
implementation 'com.balysv:material-ripple:1.0.2'
and then pressed sync again
.
Tada! all was working again.
I saw that no one had used the slice method, so here I put my 2 cents here.
df["<col_name>"].str.slice(stop=5)
df["<col_name>"].str.slice(start=6)
This method will create two new columns.
I'd like to add to this the enormously simple, but oh so easily made mistake of writing:
this.state.something = 'changed';
... and then not understanding why it's not rendering and Googling and coming on this page, only to realize that you should have written:
this.setState({something: 'changed'});
React only triggers a re-render if you use setState
to update the state.
To store values in shared preferences:
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
SharedPreferences.Editor editor = sp.edit();
editor.putString("Name","Jayesh");
editor.commit();
To retrieve values from shared preferences:
SharedPreferences sp = PreferenceManager.getDefaultSharedPreferences(this);
String name = sp.getString("Name", "");
Generally, this error will appear when your compile code's version is different from your written code's. For example, write code that rely on xxx-1.0.0.jar that one class has method A, but the method changed to B in xxx-1.1.0.jar. If you compile code with xxx-1.1.0.jar, you will see the error.
Note that SimpleDateFormat format pattern Z is for RFC 822 time zone and pattern X is for ISO 8601 (this standard supports single letter time zone names like Z for Zulu).
So new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSSX")
produces a format that can parse both "2013-03-11T01:38:18.309Z"
and "2013-03-11T01:38:18.309+0000"
and will give you the same result.
Unfortunately, as far as I can tell, you can't get this format to generate the Z for Zulu version, which is annoying.
I actually have more trouble on the JavaScript side to deal with both formats.
Use the imp module, or the more direct __import__()
function.
This can be done elegantly with Ray, a system that allows you to easily parallelize and distribute your Python code.
To parallelize your example, you'd need to define your functions with the @ray.remote
decorator, and then invoke them with .remote
.
import ray
ray.init()
dir1 = 'C:\\folder1'
dir2 = 'C:\\folder2'
filename = 'test.txt'
addFiles = [25, 5, 15, 35, 45, 25, 5, 15, 35, 45]
# Define the functions.
# You need to pass every global variable used by the function as an argument.
# This is needed because each remote function runs in a different process,
# and thus it does not have access to the global variables defined in
# the current process.
@ray.remote
def func1(filename, addFiles, dir):
# func1() code here...
@ray.remote
def func2(filename, addFiles, dir):
# func2() code here...
# Start two tasks in the background and wait for them to finish.
ray.get([func1.remote(filename, addFiles, dir1), func2.remote(filename, addFiles, dir2)])
If you pass the same argument to both functions and the argument is large, a more efficient way to do this is using ray.put()
. This avoids the large argument to be serialized twice and to create two memory copies of it:
largeData_id = ray.put(largeData)
ray.get([func1(largeData_id), func2(largeData_id)])
Important - If func1()
and func2()
return results, you need to rewrite the code as follows:
ret_id1 = func1.remote(filename, addFiles, dir1)
ret_id2 = func2.remote(filename, addFiles, dir2)
ret1, ret2 = ray.get([ret_id1, ret_id2])
There are a number of advantages of using Ray over the multiprocessing module. In particular, the same code will run on a single machine as well as on a cluster of machines. For more advantages of Ray see this related post.
The answer for git branch -r --contains <commit>
works well for normal remote branches, but if the commit is only in the hidden head
namespace that GitHub creates for PRs, you'll need a few more steps.
Say, if PR #42 was from deleted branch and that PR thread has the only reference to the commit on the repo, git branch -r
doesn't know about PR #42 because refs like refs/pull/42/head
aren't listed as a remote branch by default.
In .git/config
for the [remote "origin"]
section add a new line:
fetch = +refs/pull/*/head:refs/remotes/origin/pr/*
(This gist has more context.)
Then when you git fetch
you'll get all the PR branches, and when you run git branch -r --contains <commit>
you'll see origin/pr/42
contains the commit.
You can also watch the video about this new featue
UPDATE as of angularjs 1.2, the way animations work has changed drastically, most of it is now controlled with CSS, without having to setup javascript callbacks, etc.. You can check the updated tutorial on Year Of Moo. @dfsq pointed out in the comments a nice set of examples.
char* str = "HELLO";
char c = str[1];
Keep in mind that arrays and strings in C begin indexing at 0 rather than 1, so "H" is str[0]
, "E" is str[1]
, the first "L" is str[2]
and so on.
You can also use defaultdict to address this situation. It goes something like this:
from collections import defaultdict
#initialises the dictionary with values as list
aTargetDictionary = defaultdict(list)
for aKey in aSourceDictionary:
aTargetDictionary[aKey].append(aSourceDictionary[aKey])
Following is a simple function to check if a particular node is present or not in the xml file.
public boolean envParamExists(String xmlFilePath, String paramName){
try{
Document doc = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new File(xmlFilePath));
doc.getDocumentElement().normalize();
if(doc.getElementsByTagName(paramName).getLength()>0)
return true;
else
return false;
}catch (Exception e) {
//error handling
}
return false;
}
I tried several of the proposed answers but the problem is that the media queries conflicted with other queries and instead of displaying the mobile CSS on the iPad Pro, it was displaying the desktop CSS. So instead of using max and min for dimensions, I used the EXACT VALUES and it works because on the iPad pro you can't resize the browser.
Note that I added a query for mobile CSS that I use for devices with less than 900px width; feel free to remove it if needed.
This is the query, it combines both landscape and portrait, it works for the 12.9" and if you need to target the 10.5" you can simply add the queries for these dimensions:
@media only screen and (max-width: 900px),
(height: 1024px) and (width: 1366px) and (-webkit-min-device-pixel-ratio: 1.5) and (orientation: landscape),
(width: 1024px) and (height: 1366px) and (-webkit-min-device-pixel-ratio: 1.5) and (orientation: portrait) {
// insert mobile and iPad Pro 12.9" CSS here
}
To change to python3, you can use the following command in terminal alias python=python3
.
I had to make the entry in the [project].vs\config\applicationhost.config file.
Prior to this, it worked from deployment but not from code.
All Google Maps JavaScript API applications require authentication( API KEY )
<script src="https://maps.googleapis.com/maps/api/js?libraries=places&key=(Paste YOUR API KEY)"></script>
This is how I do it in my code.
WebDriverWait wait = new WebDriverWait(webDriver, timeoutInSeconds);
wait.until(ExpectedConditions.visibilityOfElementLocated(By.id<locator>));
or
wait.until(ExpectedConditions.elementToBeClickable(By.id<locator>));
to be precise.
See also:
I just type following keywords in the opened terminal;
See details in the below image. (VSCode version 1.19.1 - windows 10 OS)
It works on VS Code Mac as well. I tried it with VSCode (Version 1.20.1)
All of these options work depending on your situation, but you may not see any of them work if you're using SSMS (as mentioned in some comments SSMS hides CR/LFs)
So rather than driving yourself round the bend, Check this setting in
Tools
|
Options
this will work
String myName="domanokz";
String p=myName.replace(myName.charAt(4),'x');
System.out.println(p);
Output : domaxokz
What most of the answers above fail to show is that there is no "One Size Fits All" answer to the original question.
In today's environment we have a large conglomerate of different hardware and software -- some is 32 bit, some is 64 bit, some is cutting edge and some is tried and true - reliable and never changing. Added to that is a variety of older and newer hardware, older and newer OSes, different vendors (Windows, Unixes, Apple, etc.) and a myriad of utilities and servers that go along. As hardware has improved and software is converted to 64 bit compatibility, there has necessarily been considerable delay in getting all the pieces of this very large and complex world to play nicely with the rapid pace of changes.
IMHO there is no one way to fix a problem. The solution is to research the possibilities and then by trial and error find what works best for your particular needs. Each user must determine what works for their system rather than using a cookie cutter approach.
I for example have a media server with a few very large files. The result is only about 400 files filling a 3 TB drive. Only 1% of the inodes are used but 95% of the total space is used. Someone else, with a lot of smaller files may run out of inodes before they come near to filling the space. (On ext4 filesystems as a rule of thumb, 1 inode is used for each file/directory.) While theoretically the total number of files that may be contained within a directory is nearly infinite, practicality determines that the overall usage determine realistic units, not just filesystem capabilities.
I hope that all the different answers above have promoted thought and problem solving rather than presenting an insurmountable barrier to progress.
You'll need to add a reference to System.Configuration
in your project's references folder.
You should definitely be using the ConfigurationManager
over the obsolete ConfigurationSettings
.
All I did was go to the "Refactor" option on the top menu.
Then select "Migrate to AndroidX"
Accept to save the project as a zip file.
Please update Android Studio as well as Gradle to ensure no problems are encountered.
You can create a dict and pass this as the data param to the dataframe constructor:
In [235]:
df = pd.DataFrame({'Gene':s.index, 'count':s.values})
df
Out[235]:
Gene count
0 Ezh2 2
1 Hmgb 7
2 Irf1 1
Alternatively you can create a df from the series, you need to call reset_index
as the index will be used and then rename the columns:
In [237]:
df = pd.DataFrame(s).reset_index()
df.columns = ['Gene', 'count']
df
Out[237]:
Gene count
0 Ezh2 2
1 Hmgb 7
2 Irf1 1
The file extension .img
does not say anything about its content.
Most commonly .img files are a floppy/CD/DVD/ISO image, a filesystem image, a disk image, or even just (custom) binary data.
In case it is an CD/DVD image or a specific filesystem image (like fat, ntfs, ...) you can open these files with 7-Zip.
On *nix based systems also the file
tool or (libmagic) could help you find out what it is.
I've used the following approach successfully in all major browsers including Chrome:
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="content-type" content="text/html;charset=UTF-8" />
<title>Paginated HTML</title>
<style type="text/css" media="print">
div.page
{
page-break-after: always;
page-break-inside: avoid;
}
</style>
</head>
<body>
<div class="page">
<h1>This is Page 1</h1>
</div>
<div class="page">
<h1>This is Page 2</h1>
</div>
<div class="page">
<h1>This is Page 3</h1>
</div>
</body>
</html>
This is a simplified example. In the real code, each page div contains many more elements.
One way to do that is to make all your users' devices subscribe to a topic. That way when you target a message to a specific topic, all devices will get it. I think this how the Notifications section in the Firebase console does it.
I was struggling with a similar problem yesterday. I already had a "working" solution using jQuery UI's draggable together with jQuery Touch Punch, which are mentioned in other answers. However, using this method was causing weird bugs in some Android devices for me, and therefore I decided to write a small jQuery plugin that can make HTML elements draggable by using touch events instead of using a method that emulates fake mouse events.
The result of this is jQuery Draggable Touch which is a simple jQuery plugin for making elements draggable, that has touch devices as it's main target by using touch events (like touchstart, touchmove, touchend, etc.). It still has a fallback that uses mouse events if the browser/device doesn't support touch events.
System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(4)
This method return April
If you need some special language, you can add:
<system.web>
<globalization culture="es-ES" uiCulture="es-ES"></globalization>
<compilation debug="true"
</system.web>
Or your preferred language.
For example, with es-ES
culture:
System.Globalization.CultureInfo.CurrentCulture.DateTimeFormat.GetMonthName(4)
Returns: Abril
Returns: Abril
(in spanish, because, we configured the culture as es-ES
in our webconfig
file, else, you will get April
)
That should work.
I have a slightly different way of doing this than the accepted answer. This way you can avoid using GROUP_CONCAT which has a limit of 1024 characters and will not work if you have a lot of fields.
SET @sql = '';
SELECT
@sql := CONCAT(@sql,if(@sql='','',', '),temp.output)
FROM
(
SELECT
DISTINCT
CONCAT(
'MAX(IF(pa.fieldname = ''',
fieldname,
''', pa.fieldvalue, NULL)) AS ',
fieldname
) as output
FROM
product_additional
) as temp;
SET @sql = CONCAT('SELECT p.id
, p.name
, p.description, ', @sql, '
FROM product p
LEFT JOIN product_additional AS pa
ON p.id = pa.id
GROUP BY p.id');
PREPARE stmt FROM @sql;
EXECUTE stmt;
DEALLOCATE PREPARE stmt;
The line-continuation will fail if you have whitespace (spaces or tab characters[1]) after the backslash and before the newline. With no such whitespace, your example works fine for me:
$ cat test.sh
if ! fab --fabfile=.deploy/fabfile.py \
--forward-agent \
--disable-known-hosts deploy:$target; then
echo failed
else
echo succeeded
fi
$ alias fab=true; . ./test.sh
succeeded
$ alias fab=false; . ./test.sh
failed
Some detail promoted from the comments: the line-continuation backslash in the shell is not really a special case; it is simply an instance of the general rule that a backslash "quotes" the immediately-following character, preventing any special treatment it would normally be subject to. In this case, the next character is a newline, and the special treatment being prevented is terminating the command. Normally, a quoted character winds up included literally in the command; a backslashed newline is instead deleted entirely. But otherwise, the mechanism is the same. Most importantly, the backslash only quotes the immediately-following character; if that character is a space or tab, you just get a literal space or tab, and any subsequent newline remains unquoted.
[1] or carriage returns, for that matter, as Czechnology points out. Bash does not get along with Windows-formatted text files, not even in WSL. Or Cygwin, but at least their Bash port has added a set -o igncr
option that you can set to make it carriage-return-tolerant.
If forcing a push doesn't help ("git push --force origin
" or "git push --force origin master
" should be enough), it might mean that the remote server is refusing non fast-forward pushes either via receive.denyNonFastForwards config variable (see git config manpage for description), or via update / pre-receive hook.
With older Git you can work around that restriction by deleting "git push origin :master
" (see the ':' before branch name) and then re-creating "git push origin master
" given branch.
If you can't change this, then the only solution would be instead of rewriting history to create a commit reverting changes in D-E-F:
A-B-C-D-E-F-[(D-E-F)^-1] master A-B-C-D-E-F origin/master
You cannot set Referer
header manually but you can use location.href
to set the referer
header to the link used in href
but it will cause reloading of the page.
Your Action is expecting string parameters, but you're sending a composite object.
You need to create an object that matches what you're sending.
public class Data
{
public string username { get;set; }
public string password { get;set; }
}
public JsonResult Login(Data data)
{
}
EDIT
In addition, toStringify() is probably not what you want here. Just send the object itself.
data: data,
If you don't mind picking the same item again at some other time:
$items[rand(0, count($items) - 1)];
You can catch key event :
function checkEventObj ( _event_ ){
// --- IE explorer
if ( window.event )
return window.event;
// --- Netscape and other explorers
else
return _event_;
}
document.keydown = function(_event) {
var e = checkEventObject(_event);
if( e.ctrlKey && (e.keyCode == 86) )
window.clipboardData.clearData();
}
Not tested but, could help.
Source from comentcamarche and Zakaria
You can try using Putty (freeware). It is mainly known as a SSH client, but you can use for Telnet login as well
summation
and your other functions are defined after they're used in main
, and so the compiler has made a guess about it's signature; in other words, an implicit declaration has been assumed.
You should declare the function before it's used and get rid of the warning. In the C99 specification, this is an error.
Either move the function bodies before main
, or include method signatures before main
, e.g.:
#include <stdio.h>
int summation(int *, int *, int *);
int main()
{
// ...
You can make another class for doing this kind of activities.
public class Go {
public void Setting(Context context)
{
Intent intent = new Intent(android.provider.Settings.ACTION_SETTINGS);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
context.startActivity(intent);
}
}
With google-drive-ftp-adapter I have been able to access the My Drive area of Google Drive with the FileZilla FTP client. However, I have not been able to access the Shared with me area.
You can configure which Google account credentials it uses by changing the account property in the configuration.properties file from default to the desired Google account name. See the instructions at http://www.andresoviedo.org/google-drive-ftp-adapter/
You can create a list,
ArrayList<String[]> outerArr = new ArrayList<String[]>();
and add other lists to it like so:
String[] myString1= {"hey","hey","hey","hey"};
outerArr .add(myString1);
String[] myString2= {"you","you","you","you"};
outerArr .add(myString2);
Now you can use the double loop below to show everything inside all lists
for(int i=0;i<outerArr.size();i++){
String[] myString= new String[4];
myString=outerArr.get(i);
for(int j=0;j<myString.length;j++){
System.out.print(myString[j]);
}
System.out.print("\n");
}
file_get_contents('php://input') will not always work.
I have a request with in the headers "content-length=735" and "php://input" is empty string. So depends on how good/valid the HTTP request is.
You can do this because regular expressions define extractors but you need to define the regex pattern first. I don't have access to a Scala REPL to test this but something like this should work.
val Pattern = "([a-cA-C])".r
word.firstLetter match {
case Pattern(c) => c bound to capture group here
case _ =>
}
The problem is that static imports from Hamcrest and Mockito have similar names, but return Matchers and real values, respectively.
One work-around is to simply copy the Hamcrest and/or Mockito classes and delete/rename the static functions so they are easier to remember and less show up in the auto complete. That's what I did.
Also, when using mocks, I try to avoid assertThat
in favor other other assertions
and verify
, e.g.
assertEquals(1, 1);
verify(someMock).someMethod(eq(1));
instead of
assertThat(1, equalTo(1));
verify(someMock).someMethod(eq(1));
If you remove the classes from your Favorites in Eclipse, and type out the long name e.g. org.hamcrest.Matchers.equalTo
and do CTRL+SHIFT+M to 'Add Import' then autocomplete will only show you Hamcrest matchers, not any Mockito matchers. And you can do this the other way so long as you don't mix matchers.
The code below works for me with Xcode 7:
override func viewDidLoad() {
super.viewDidLoad()
self.navigationItem.title = "Your Title"
}
I tried a few of the solutions from this thread. It seemed to work, but my values were always true and I also encountered the following issue: JENKINS-40235
I managed to use parameters in groovy jenkinsfile
using the following syntax: params.myVariable
Here's a working example:
print 'DEBUG: parameter isFoo = ' + params.isFoo
print "DEBUG: parameter isFoo = ${params.isFoo}"
node() {
// adds job parameters within jenkinsfile
properties([
parameters([
booleanParam(
defaultValue: false,
description: 'isFoo should be false',
name: 'isFoo'
),
booleanParam(
defaultValue: true,
description: 'isBar should be true',
name: 'isBar'
),
])
])
// test the false value
print 'DEBUG: parameter isFoo = ' + params.isFoo
print "DEBUG: parameter isFoo = ${params.isFoo}"
sh "echo sh isFoo is ${params.isFoo}"
if (params.isFoo) { print "THIS SHOULD NOT DISPLAY" }
// test the true value
print 'DEBUG: parameter isBar = ' + params.isBar
print "DEBUG: parameter isBar = ${params.isBar}"
sh "echo sh isBar is ${params.isBar}"
if (params.isBar) { print "this should display" }
}
[Pipeline] {
[Pipeline] properties
WARNING: The properties step will remove all JobPropertys currently configured in this job, either from the UI or from an earlier properties step.
This includes configuration for discarding old builds, parameters, concurrent builds and build triggers.
WARNING: Removing existing job property 'This project is parameterized'
WARNING: Removing existing job property 'Build triggers'
[Pipeline] echo
DEBUG: parameter isFoo = false
[Pipeline] echo
DEBUG: parameter isFoo = false
[Pipeline] sh
[wegotrade-test-job] Running shell script
+ echo sh isFoo is false
sh isFoo is false
[Pipeline] echo
DEBUG: parameter isBar = true
[Pipeline] echo
DEBUG: parameter isBar = true
[Pipeline] sh
[wegotrade-test-job] Running shell script
+ echo sh isBar is true
sh isBar is true
[Pipeline] echo
this should display
[Pipeline] }
[Pipeline] // node
[Pipeline] End of Pipeline
Finished: SUCCESS
I sent a Pull Request to update the misleading pipeline tutorial#build-parameters quote that says "they are accessible as Groovy variables of the same name.". ;)
Edit: As Jesse Glick pointed out: Release notes go into more details
You should also update the Pipeline Job Plugin to 2.7 or later, so that build parameters are defined as environment variables and thus accessible as if they were global Groovy variables.
I know this is an old question, but I think found a very simple answer, in case anybody needs it.
If you put string quotes inside your string ("'hello'"), ast_literaleval() will understand it perfectly.
You can use a simple function:
def doubleStringify(a):
b = "\'" + a + "\'"
return b
Or probably more suitable for this example:
def perfectEval(anonstring):
try:
ev = ast.literal_eval(anonstring)
return ev
except ValueError:
corrected = "\'" + anonstring + "\'"
ev = ast.literal_eval(corrected)
return ev
This is what I found:
Demo: http://tympanus.net/Tutorials/ItemBlur/
and Tutorial: http://tympanus.net/codrops/2011/12/14/item-blur-effect-with-css3-and-jquery/
NOT IN
returns 0 records when compared against an unknown valueSince NULL
is an unknown, a NOT IN
query containing a NULL
or NULL
s in the list of possible values will always return 0
records since there is no way to be sure that the NULL
value is not the value being tested.
data
will return you a string representation of a list, but it is actually still a string. Just check the type of data
with type(data)
. That means if you try using indexing on this string representation of a list as such data['fruits'][0]
, it will return you "[" as it is the first character of data['fruits']
You can do json.loads(data['fruits'])
to convert it back to a Python list so that you can interact with regular list indexing. There are 2 other ways you can convert it back to a Python list suggested here
First of all you should know the difference between a virtual and abstract method.
<?php
function is_valid_domain_name($domain_name)
{
return (preg_match("/^([a-z\d](-*[a-z\d])*)(\.([a-z\d](-*[a-z\d])*))*$/i", $domain_name) //valid chars check
&& preg_match("/^.{1,253}$/", $domain_name) //overall length check
&& preg_match("/^[^\.]{1,63}(\.[^\.]{1,63})*$/", $domain_name) ); //length of each label
}
?>
Test cases:
is_valid_domain_name? [a] Y
is_valid_domain_name? [0] Y
is_valid_domain_name? [a.b] Y
is_valid_domain_name? [localhost] Y
is_valid_domain_name? [google.com] Y
is_valid_domain_name? [news.google.co.uk] Y
is_valid_domain_name? [xn--fsqu00a.xn--0zwm56d] Y
is_valid_domain_name? [goo gle.com] N
is_valid_domain_name? [google..com] N
is_valid_domain_name? [google.com ] N
is_valid_domain_name? [google-.com] N
is_valid_domain_name? [.google.com] N
is_valid_domain_name? [<script] N
is_valid_domain_name? [alert(] N
is_valid_domain_name? [.] N
is_valid_domain_name? [..] N
is_valid_domain_name? [ ] N
is_valid_domain_name? [-] N
is_valid_domain_name? [] N
I checked my environment variables - JAVA_HOME & PATH and they all refer to C:\java. So this was bit frustrating. After sometime I found that the default installation also copied java.exe, javaw.exe and javaws.exe to C:\Windows\System32 (i.e. uninstall of JRE didn't go well). I just removed them and voila, I'm back on track. That annoying error is no longer popping.
This works for me
So, If exists, remove java.exe, javaw.exe and javaws.exe from System32
I did this:
<!DOCTYPE HTML>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>AutoDealer</title>
<style>
.container{
width: 860px;
height: 1074px;
margin-right: auto;
margin-left: auto;
border: 1px solid red;
}
.nav{
}
.wrapper{
display: block;
overflow: hidden;
border: 1px solid green;
}
.otherWrapper{
display: block;
overflow: hidden;
border: 1px solid green;
float:left;
}
.left{
width: 399px;
float: left;
background-color: pink;
}
.bottom{
clear: both;
width: 399px;
background-color: yellow;
}
.right{
height:350px;
width: 449px;
overflow: hidden;
background-color: blue;
overflow: hidden;
float:right;
}
</style>
</head>
<body>
<div class="container">
<div class="nav"></div>
<div class="wrapper">
<div class="otherWrapper">
<div class="left">
<p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Vestibulum ultricies aliquet tellus sit amet ultrices. Sed faucibus, nunc vitae accumsan laoreet, enim metus varius nulla, ac ultricies felis ante venenatis justo. In hac habitasse platea dictumst. In cursus enim nec urna molestie, id mattis elit mollis. In sed eros eget nibh congue vehicula. Nunc vestibulum enim risus, sit amet suscipit dui auctor et. Morbi orci magna, accumsan at turpis a, scelerisque congue eros. Morbi non mi vel nibh varius blandit sed et urna.</p>
</div>
<div class="bottom">
<p>ucibus eros, sed viverra ex. Vestibulum aliquet accumsan massa, at feugiat ipsum interdum blandit. Morbi et orci hendrerit orci consequat ornare ac et sapien. Nulla vestibulum lectus bibendum, efficitur purus in, venenatis nunc. Nunc tincidunt velit sit amet orci pellentesq</p></div>
</div>
<div class="right">
<p>Quisque vulputate mi id turpis luctus, quis laoreet nisi vestibulum. Morbi facilisis erat vitae augue ornare convallis. Fusce sit amet magna rutrum, hendrerit purus vitae, congue justo. Nam non mi eget purus ultricies lacinia. Fusce ante nisl, efficitur venenatis urna ut, pellentesque egestas nisl. In ut faucibus eros, sed viverra ex. Vestibulum aliquet accumsan massa, at feugiat ipsum interdum blandit. Morbi et orci hendrerit orci consequat ornare ac et sapien. Nulla vestibulum lectus bibendum, efficitur purus in, venenatis nunc. Nunc tincidunt velit sit amet orci pellentesque maximus. Quisque a tempus lectus.</p>
</div>
</div>
</div>
</body>
So basically I just made another div to wrap the pink and yellow, and I make that div have a float:left on it. The blue div has a float:right on it.
Take a look at Show Functions
plugin.
It can list functions, symbols, bookmarks by configurable regular expressions. Regular expressions are a real saver, expecially when you're not using a mainstream language and when CodeOutline doesn't do the job.
It's ugly to see a split window with these functions (CodeOutline seems to be better integrated) but at least there's something to use
OnClientClick="SomeMethod()"
event of that BUTTON, it return by default "true
" so after that function it do postback
for solution use
//use this code in BUTTON ==> OnClientClick="return SomeMethod();"
//and your function like this
<script type="text/javascript">
function SomeMethod(){
// put your code here
return false;
}
</script>
ctr+alt+shift+L -> reformat whole file :)
I use this powershell oneliner:
gci C:\`$recycle.bin -force | remove-item -recurse -force
Works for different drives than C:, too
If you're using jquery 1.6.2 you only need to code
$('#theid').css('display')
for example:
if($('#theid').css('display') == 'none'){
$('#theid').show('slow');
} else {
$('#theid').hide('slow');
}
What you show looks like a mesh warp. That would be straightforward using OpenGL, but "straightforward OpenGL" is like straightforward rocket science.
I wrote an iOS app for my company called Face Dancerthat's able to do 60 fps mesh warp animations of video from the built-in camera using OpenGL, but it was a lot of work. (It does funhouse mirror type changes to faces - think "fat booth" live, plus lots of other effects.)
Same issue on a Galaxy Tab and on a Xperia S, after uninstall and install again it seems that disappear.
The code that suddenly appear to raise this problem is this:
public void unlockMainActivity() {
SharedPreferences prefs = getSharedPreferences("CALCULATOR_PREFS", 0);
boolean hasCode = prefs.getBoolean("HAS_CODE", false);
Context context = this.getApplicationContext();
Intent intent = null;
if (!hasCode) {
intent = new Intent(context, WellcomeActivity.class);
} else {
intent = new Intent(context, CalculatingActivity.class);
}
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
(context).startActivity(intent);
}
Ensure position
is on your element and set the z-index
to a value higher than the elements you want to cover.
element {
position: fixed;
z-index: 999;
}
div {
position: relative;
z-index: 99;
}
It will probably require some more work than that but it's a start since you didn't post any code.
Thought I'd add my own example that helped me see the difference using the value 1.3
when adding or multiplying with another float
, decimal
, and double
.
1.3
float ADDED to 1.3
of different types:
|float | double | decimal |
+-------------------+------------+-----+
|2.5999999046325684 | 2.6 | 2.60000 |
1.3
float MULTIPLIED by 1.3
of different types:
| float | double | decimal |
+--------------------+--------------------+--------------+
| 1.6899998760223411 | 1.6900000000000002 | 1.6900000000 |
This is using MySQL 6.7
Query:
SELECT
float_1 + float_2 as 'float add',
double_1 + double_2 as 'double add',
decimal_1 + decimal_2 as 'decimal add',
float_1 * float_2 as 'float multiply',
double_1 * double_2 as 'double multiply',
decimal_1 * decimal_2 as 'decimal multiply'
FROM numerics
Create Table and Insert Data:
CREATE TABLE `numerics` (
`float_1` float DEFAULT NULL,
`float_2` float DEFAULT NULL,
`double_1` double DEFAULT NULL,
`double_2` double DEFAULT NULL,
`decimal_1` decimal(10,5) DEFAULT NULL,
`decimal_2` decimal(10,5) DEFAULT NULL
) ENGINE=InnoDB DEFAULT CHARSET=utf8;
INSERT INTO `_numerics`
(
`float_1`,
`float_2`,
`double_1`,
`double_2`,
`decimal_1`,
`decimal_2`
)
VALUES
(
1.3,
1.3,
1.3,
1.3,
1.30000,
1.30000
);
If min value in array, you can try like:
>>> mydict = {"a": -1.5, "b": -1000.44, "c": -3}
>>> min(mydict.values())
-1000.44
Im just highlighting part of @Ethan May answer which is
overflow: hidden;
It would most probably do the work for your case.
Based on different sources I have created Simple Implementation of RecyclerView using a Simple Library.
Add this line in build.gradle
implementation 'com.hereshem.lib:awesomelib:2.0.1'
AddCreate a RecyclerView by adding MyRecyclerView in activity_main.xml with
<com.hereshem.lib.recycler.MyRecyclerView
android:id="@+id/recycler"
app:layoutManager="LinearLayoutManager"
android:layout_width="match_parent"
android:layout_height="match_parent"/>
Now in the MainActivity, Create a ViewHolder by passing the name of Class that needs to bind
public static class EVHolder extends MyViewHolder<Events> {
TextView date, title, summary;
public EVHolder(View v) {
super(v);
date = v.findViewById(R.id.date);
title = v.findViewById(R.id.title);
summary = v.findViewById(R.id.summary);
}
@Override
public void bindView(Events c) {
date.setText(c.date);
title.setText(c.title);
summary.setText(c.summary);
}
}
Create Items list variable and adapters with very few lines by passing items, class and layout in the adapter
List<Events> items = new ArrayList<>();
MyRecyclerView recycler = findViewById(R.id.recycler);
RecyclerViewAdapter adapter = new RecyclerViewAdapter(this, items, EVHolder.class, R.layout.row_event);
recycler.setAdapter(adapter);
ClickListener can be added with following lines
recycler.setOnItemClickListener(new MyRecyclerView.OnItemClickListener() {
@Override
public void onItemClick(int position) {
Toast.makeText(MainActivity.this, "Recycler Item Clicked " + position, Toast.LENGTH_SHORT).show();
}
});
Its all done.
More example and implementation can be found here . Hope this helps !!!
Excel 2003, doesn't included 1M row features, Introduced in 2007 onwards.
In Excel2007, save as "normal" Excel file, not a backwards compatible one.
You may have to close and re-open Excel to get the full 1M rows
Thilip
As Fragments Version 1.3.0-alpha01
The setRetainInstance() method on Fragments has been deprecated. With the introduction of ViewModels, developers have a specific API for retaining state that can be associated with Activities, Fragments, and Navigation graphs. This allows developers to use a normal, not retained Fragment and keep the specific state they want retained separate, avoiding a common source of leaks while maintaining the useful properties of a single creation and destruction of the retained state (namely, the constructor of the ViewModel and the onCleared() callback it receives).
$image="img_name.jpg";
$pdf =new FPDF();
$pdf-> AddPage();
$pdf-> SetFont("Arial","B",10);
$pdf-> Image('profileimage/'.$image,100,15,35,35);
I was looking similar but I wanted the difference in either list (uncommon elements between the 2 lists).
Let say I have:
List<String> oldKeys = Arrays.asList("key0","key1","key2","key5");
List<String> newKeys = Arrays.asList("key0","key2","key5", "key6");
And I wanted to know which key has been added and which key is removed i.e I wanted to get (key1, key6)
Using org.apache.commons.collections.CollectionUtils
List<String> list = new ArrayList<>(CollectionUtils.disjunction(newKeys, oldKeys));
Result
["key1", "key6"]
Just copy the .dll files to C:\windows\system32\
Angular cli has moved to @angular/cli
, so as from the github readme,
sudo npm uninstall -g @angular/cli
npm cache clean
{% load static %}
Please add this template tag on top of the HTML or base HTML file
Yes, Javascript always passes by value, but in an array or object, the value is a reference to it, so you can 'change' the contents.
But, I think you already read it on SO; here you have the documentation you want:
The below are the typical situation where we shall get ERR_FILE_NOT_FOUND even file avail in respective folder.
Code:
@font-face {
font-family: Eau_Sans_Bold;
src: url("/fonts/eau_sans_bold.otf") format("opentype");
}
Error:
GET file:///C:/fonts/eau_sans_bold.otf net::ERR_FILE_NOT_FOUND
Answer or Solution.:
@font-face {
font-family: Eau_Sans_Book;
src: url("../fonts/eau_sans_book.otf") format("opentype");
}
Basically browser not able to pick if we metion just /font/. We should to mention ../fonts/ This will work. So, we wont get ERR_FILE_NOT_FOUND.
Have you tried overflow-y:auto
? It is not exactly what you want, as the scrollbar will appear only when needed.
Another way to change color of a button if you want to do multiple operations along with color change. Using the Tk().after
method and binding a change method allows you to change color and do other operations.
Label.destroy
is another example of the after method.
def export_win():
//Some Operation
orig_color = export_finding_graph.cget("background")
export_finding_graph.configure(background = "green")
tt = "Exported"
label = Label(tab1_closed_observations, text=tt, font=("Helvetica", 12))
label.grid(row=0,column=0,padx=10,pady=5,columnspan=3)
def change(orig_color):
export_finding_graph.configure(background = orig_color)
tab1_closed_observations.after(1000, lambda: change(orig_color))
tab1_closed_observations.after(500, label.destroy)
export_finding_graph = Button(tab1_closed_observations, text='Export', command=export_win)
export_finding_graph.grid(row=6,column=4,padx=70,pady=20,sticky='we',columnspan=3)
You can also revert to the original color.
pipdeptree
is a command line utility for displaying the python packages installed in an virtualenv in form of a dependency tree.
Just use it:
https://github.com/naiquevin/pipdeptree
Try this
DateTime startTime = varValue
DateTime endTime = varTime
TimeSpan span = endTime.Subtract ( startTime );
Console.WriteLine( "Time Difference (minutes): " + span.TotalMinutes );
Edit: If are you trying 'span.Minutes', this will return only the minutes of timespan [0~59], to return sum of all minutes from this interval, just use 'span.TotalMinutes'.
Raugaral's answer but with -p functionality. Ugly, but it works:
function mkdirp(dir) {
let dirs = dir.split(/\\/).filter(asdf => !asdf.match(/^\s*$/))
let fullpath = ''
// Production directory will begin \\, test is on my local drive.
if (dirs[0].match(/C:/i)) {
fullpath = dirs[0] + '\\'
}
else {
fullpath = '\\\\' + dirs[0] + '\\'
}
// Start from root directory + 1, build out one level at a time.
dirs.slice(1).map(asdf => {
fullpath += asdf + '\\'
if (!fs.existsSync(fullpath)) {
fs.mkdirSync(fullpath)
}
})
}//mkdirp
I'd highly suggest you use this instead of creating the animation file because it's a much better solution. Android Studio already provides default animation
you can use without creating any new XML file. The animations' names are android.R.anim.slide_in_left and android.R.anim.slide_out_right and you can use them as follows:
fragmentTransaction.setCustomAnimations(android.R.anim.slide_in_left, android.R.anim.slide_out_right);
FragmentManager fragmentManager = getSupportFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
fragmentTransaction.setCustomAnimations(android.R.anim.slide_in_left, android.R.anim.slide_out_right);
fragmentManager.addOnBackStackChangedListener(this);
fragmentTransaction.replace(R.id.frame, firstFragment, "h");
fragmentTransaction.addToBackStack("h");
fragmentTransaction.commit();
Output:
You can also try clicking by JavaScript:
WebElement button = driver.findElement(By.id("someid"));
JavascriptExecutor jse = (JavascriptExecutor)driver;
jse.executeScript("arguments[0].click();", button);
Also you can use jquery. In worst cases, for stubborn pages it may be necessary to do clicks by custom EXE application. But try the obvious solutions first.
The easiest option is to make use of the Excel copy/paste.
Public Sub insertRowBelow()
ActiveCell.Offset(1).EntireRow.Insert Shift:=xlDown, CopyOrigin:=xlFormatFromRightOrAbove
ActiveCell.EntireRow.Copy
ActiveCell.Offset(1).EntireRow.PasteSpecial xlPasteFormats
Application.CutCopyMode = False
End Sub
I know this was already discussed to death, but I'd like to add some more points:
Frags can be used to populate Menu
s and can handle MenuItem
clicks on their own. Thus giving futher modulation options for your Activities. You can do ContextualActionBar stuff and so on without your Activity knowing about it and can basically decouple it from the basic stuff your Activity handles (Navigation/Settings/About).
A parent Frag with child Frags can give you further options to modulize your components. E.g. you can easily swap Frags around, put new Frags inside a Pager or remove them, rearrange them. All without your Activity knowing anything about it just focusing on the higher level stuff.
As the error message states, the method used to get the F score is from the "Classification" part of sklearn - thus the talking about "labels".
Do you have a regression problem? Sklearn provides a "F score" method for regression under the "feature selection" group: http://scikit-learn.org/stable/modules/generated/sklearn.feature_selection.f_regression.html
In case you do have a classification problem, @Shovalt's answer seems correct to me.
I've recreated class, and it worked. Copy all file content, delete file, and run php artisan make:seeder ModelTableSeeder
. Because composer dump-autoload
didn't worked for me.
I just had need to do this for a config file.
var config = {
x: "CHANGE_ME",
y: "CHANGE_ME",
z: "CHANGE_ME"
}
export default config;
You can do it like this
import { default as config } from "./config";
console.log(config.x); // CHANGE_ME
This is using Typescript mind you.
In my case
-Djava.awt.headless=true
was set (indirectly by a Maven configuration). I had to actively use
-Djava.awt.headless=false
to override this.
Test if your variable is an instance of numbers.Number
:
>>> import numbers
>>> import decimal
>>> [isinstance(x, numbers.Number) for x in (0, 0.0, 0j, decimal.Decimal(0))]
[True, True, True, True]
This uses ABCs and will work for all built-in number-like classes, and also for all third-party classes if they are worth their salt (registered as subclasses of the Number
ABC).
However, in many cases you shouldn't worry about checking types manually - Python is duck typed and mixing somewhat compatible types usually works, yet it will barf an error message when some operation doesn't make sense (4 - "1"
), so manually checking this is rarely really needed. It's just a bonus. You can add it when finishing a module to avoid pestering others with implementation details.
This works starting with Python 2.6. On older versions you're pretty much limited to checking for a few hardcoded types.
$.getJSON
is an asynchronous request, meaning the code will continue to run even though the request is not yet done. You should trigger the second request when the first one is done, one of the choices you seen already in ComFreek's answer.
Alternatively you could use jQuery's $.when/.then(), similar to this:
var input = "netuetamundis"; var sID; $(document).ready(function () { $.when($.getJSON("https://prod.api.pvp.net/api/lol/eune/v1.1/summoner/by-name/" + input + "?api_key=API_KEY_HERE", function () { obj = name; sID = obj.id; console.log(sID); })).then(function () { $.getJSON("https://prod.api.pvp.net/api/lol/eune/v1.2/stats/by-summoner/" + sID + "/summary?api_key=API_KEY_HERE", function (stats) { console.log(stats); }); }); });
This would be more open for future modification and separates out the responsibility for the first call to know about the second call.
The first call can simply complete and do it's own thing not having to be aware of any other logic you may want to add, leaving the coupling of the logic separated.
install the android SDK for me was not the problem, having the right JRE and JDK was the problem.
To solve this install the JVM 8 (the last fully compatible, for now):
sudo apt-get install openjdk-8-jre
Next use update-alternative to switch to the jre-8 version:
sudo update-alternatives --config java
You can revert JVM version when you want with the same update-alternatives
command
Note that you problably have to do the same after this with javac
also (now you have only java
command at version 8)
first do:
sudo apt-get install openjdk-8-jdk
next:
sudo update-alternatives --config javac
After this you can install android SDK that require this specific Java version
http://htmldog.com/articles/superscript/ Essentially:
position: relative;
bottom: 0.5em;
font-size: 0.8em;
Works well in practice, as far as I can tell.
You can use use findFragmentById
in FragmentManager
.
Since you are using the Support library (you are extending FragmentActivity) you can use:
getSupportFragmentManager().findFragmentById(R.id.pageview)
If you are not using the support library (so you are on Honeycomb+ and you don't want to use the support library):
getFragmentManager().findFragmentById(R.id.pageview)
Please consider that using the support library is recommended even on Honeycomb+.
These are Bitwise Operators (reference).
x & 1
produces a value that is either 1
or 0
, depending on the least significant bit of x
: if the last bit is 1
, the result of x & 1
is 1
; otherwise, it is 0
. This is a bitwise AND operation.
x >>= 1
means "set x
to itself shifted by one bit to the right". The expression evaluates to the new value of x
after the shift.
Note: The value of the most significant bit after the shift is zero for values of unsigned type. For values of signed type the most significant bit is copied from the sign bit of the value prior to shifting as part of sign extension, so the loop will never finish if x
is a signed type, and the initial value is negative.
If you don't need to initiate a post back when you press this button, then making the overhead of a server control isn't necesary.
<input id="addButton" type="button" value="Add" />
<script type="text/javascript" language="javascript">
$(document).ready(function()
{
$('#addButton').click(function()
{
showDialog('#addPerson');
});
});
</script>
If you still need to be able to do a post back, you can conditionally stop the rest of the button actions with a little different code:
<asp:Button ID="buttonAdd" runat="server" Text="Add" />
<script type="text/javascript" language="javascript">
$(document).ready(function()
{
$('#<%= buttonAdd.ClientID %>').click(function(e)
{
showDialog('#addPerson');
if(/*Some Condition Is Not Met*/)
return false;
});
});
</script>
git log --format="%h" | tail -1
gives you the commit hash (ie 0dd89fb
), which you can feed into other commands, by doing something like
git diff `git log --format="%h" --after="1 day"| tail -1`..HEAD
to view all the commits in the last day.
SOURCE: https://git-scm.com/book/en/v2/Distributed-Git-Maintaining-a-Project#Integrating-Contributed-Work
The other way to move introduced work from one branch to another is to cherry-pick it. A cherry-pick in Git is like a rebase for a single commit. It takes the patch that was introduced in a commit and tries to reapply it on the branch you’re currently on. This is useful if you have a number of commits on a topic branch and you want to integrate only one of them, or if you only have one commit on a topic branch and you’d prefer to cherry-pick it rather than run rebase. For example, suppose you have a project that looks like this:
If you want to pull commit e43a6 into your master branch, you can run
$ git cherry-pick e43a6
Finished one cherry-pick.
[master]: created a0a41a9: "More friendly message when locking the index fails."
3 files changed, 17 insertions(+), 3 deletions(-)
This pulls the same change introduced in e43a6, but you get a new commit SHA-1 value, because the date applied is different. Now your history looks like this:
Now you can remove your topic branch and drop the commits you didn’t want to pull in.
If you go to http://github.com/my_user_name/my_repo you will see a textbox where you can select the git path to your repository. You'll want to use this!
git push origin amd_qlp_tester
will work for you. If you just type git push
, then the remote of the current branch is the default value.
Syntax of push looks like this - git push <remote> <branch>
. If you look at your remote in .git/config
file, you will see an entry [remote "origin"]
which specifies url of the repository. So, in the first part of command you will tell Git where to find repository for this project, and then you just specify a branch.
With VS2010+ there is a plugin solution: Line Endings Unifier.
With the plugin installed you can right click files and folders in the solution explorer and invoke the menu item Unify Line Endings in this file
Configuration for this is available via
Tools -> Options -> Line Endings Unifier.
The default file extension list that is included is pretty narrow:
.cpp; .c; .h; .hpp; .cs; .js; .vb; .txt;
Might want to use something like:
.cpp; .c; .h; .hpp; .cs; .js; .vb; .txt; .scss; .coffee; .ts; .jsx; .markdown; .config
You just need to add 'table-layout: fixed;'
.table {
display: table;
height: 100px;
width: 100%;
table-layout: fixed;
}
Another approach is to use new conditional annotations. Since plain Spring 4 you can use @Conditional annotation:
@Component("foo")
@Conditional(FooCondition.class)
class Foo {
...
}
and define conditional logic for registering Foo component:
public class FooCondition implements Condition{
@Override
public boolean matches(ConditionContext context, AnnotatedTypeMetadata metadata) {
// return [your conditional logic]
}
}
Conditional logic can be based on context, because you have access to bean factory. For Example when "Bar" component is not registered as bean:
return !context.getBeanFactory().containsBean(Bar.class.getSimpleName());
With Spring Boot (should be used for EVERY new Spring project), you can use these conditional annotations:
@ConditionalOnBean
@ConditionalOnClass
@ConditionalOnExpression
@ConditionalOnJava
@ConditionalOnMissingBean
@ConditionalOnMissingClass
@ConditionalOnNotWebApplication
@ConditionalOnProperty
@ConditionalOnResource
@ConditionalOnWebApplication
You can avoid Condition class creation this way. Refer to Spring Boot docs for more detail.
If you just happen to have a Map
with Integer
keys you cannot change, you could write a custom EL function to convert a Long
to Integer
. This would allow you to do something like:
<c:out value="${map[myLib:longToInteger(1)]}"/>
Your append line must be in your test()
function
EDIT:
Here are two versions:
Version 1: jQuery listener
$(function(){
$('button').on('click',function(){
var r= $('<input type="button" value="new button"/>');
$("body").append(r);
});
});
Version 2: With a function (like your example)
function createInput(){
var $input = $('<input type="button" value="new button" />');
$input.appendTo($("body"));
}
Note: This one can be done with either .appendTo
or with .append
.
Place the image (cancel icon) with position absolute, adjust top and left properties and call method onclick event which clears the input field.
<div class="form-control">
<input type="text" id="inputField" />
</div>
<span id="iconSpan"><img src="icon.png" onclick="clearInputField()"/></span>
In css position the span accordingly,
#iconSpan {
position : absolute;
top:1%;
left :14%;
}
The MOST CORRECT answer to your question is...
#content > div:first-of-type { /* css */ }
This will apply the CSS to the first div that is a direct child of #content (which may or may not be the first child element of #content)
Another option:
#content > div:nth-of-type(1) { /* css */ }
Use the Filter() method as shown here - https://docs.microsoft.com/en-us/office/vba/language/reference/user-interface-help/filter-function
Dim
simply declares the value and the type.
Set
assigns a value to the variable.
Add an :order parameter to the query
The std::system_error
example above is slightly incorrect. std::system_category()
will map the error codes from system's native error code facility. For *nix, this is errno
. For Win32, it is GetLastError()
. ie, on Windows, the above example will print
failed to open C:\path\to\forbidden: The data is invalid
because EACCES is 13 which is the Win32 error code ERROR_INVALID_DATA
To fix it, either use the system's native error code facility, eg on Win32
throw new std::system_error(GetLastError(), std::system_category(), "failed to open"+ filename);
Or use errno and std::generic_category()
, eg
throw new std::system_error(errno, std::generic_category(), "failed to open"+ filename);
If you are using C++11
, you should probably use stoi
because it can distinguish between an error and parsing "0"
.
try {
int number = std::stoi("1234abc");
} catch (std::exception const &e) {
// This could not be parsed into a number so an exception is thrown.
// atoi() would return 0, which is less helpful if it could be a valid value.
}
It should be noted that "1234abc" is implicitly converted from a char[]
to a std:string
before being passed to stoi()
.
Open Console/Command line --> Go to your Jenkins installation directory. Execute the following commands respectively:
to stop:
jenkins.exe stop
to start:
jenkins.exe start
to restart:
jenkins.exe restart
Whenever multiple values are returned from a function in python, does it always convert the multiple values to a list of multiple values and then returns it from the function??
I'm just adding a name and print the result that returns from the function. the type of result is 'tuple'.
class FigureOut:
first_name = None
last_name = None
def setName(self, name):
fullname = name.split()
self.first_name = fullname[0]
self.last_name = fullname[1]
self.special_name = fullname[2]
def getName(self):
return self.first_name, self.last_name, self.special_name
f = FigureOut()
f.setName("Allen Solly Jun")
name = f.getName()
print type(name)
I don't know whether you have heard about 'first class function'. Python is the language that has 'first class function'
I hope my answer could help you. Happy coding.
Run the following immediately after the dialog is called in the Ajax:
$(".ui-dialog-titlebar").hide();
$(".ui-dialog").addClass("customclass");
This applies just to the dialog that is opened, so it can be changed for each one used.
(This quick answer is based on another response on Stack Overflow.)
If you want the second highest number you can use
=LARGE(E4:E9;2)
although that doesn't account for duplicates so you could get the same result as the Max
If you want the largest number that is smaller than the maximum number you can use this version
=LARGE(E4:E9;COUNTIF(E4:E9;MAX(E4:E9))+1)
Saving and Retriving data to - from Firebase ( deprecated ver 2.4.2 )
Firebase fb_parent = new Firebase("YOUR-FIREBASE-URL/");
Firebase fb_to_read = fb_parent.child("students/names");
Firebase fb_put_child = fb_to_read.push(); // REMEMBER THIS FOR PUSH METHOD
//INSERT DATA TO STUDENT - NAMES I Use Push Method
fb_put_child.setValue("Zacharia"); //OR fb_put_child.setValue(YOUR MODEL)
fb_put_child.setValue("Joseph"); //OR fb_put_child.setValue(YOUR MODEL)
fb_put_child.setValue("bla blaaa"); //OR fb_put_child.setValue(YOUR MODEL)
//GET DATA FROM FIREBASE INTO ARRAYLIST
fb_to_read.addValuesEventListener....{
public void onDataChange(DataSnapshot result){
List<String> lst = new ArrayList<String>(); // Result will be holded Here
for(DataSnapshot dsp : result.getChildren()){
lst.add(String.valueOf(dsp.getKey())); //add result into array list
}
//NOW YOU HAVE ARRAYLIST WHICH HOLD RESULTS
for(String data:lst){
Toast.make(context,data,Toast.LONG_LENGTH).show;
}
}
}
Thanks Notable1, works for me with the tidytextr Create a dataframe with the name of files in one column and content in other.
diretorio <- "D:/base"
arquivos <- list.files(diretorio, pattern = "*.PDF")
quantidade <- length(arquivos)
#
df = NULL
for (k in 1:quantidade) {
nome = arquivos[k]
print(nome)
Sys.sleep(1)
dados = read_pdf(arquivos[k],ocr = T)
print(dados)
Sys.sleep(1)
df = rbind(df, data.frame(nome,dados))
Sys.sleep(1)
}
Encoding(df$text) <- "UTF-8"
>>> u'a?ä'.encode('ascii', 'ignore')
'a'
Decode the string you get back, using either the charset in the the appropriate meta
tag in the response or in the Content-Type
header, then encode.
The method encode(encoding, errors)
accepts custom handlers for errors. The default values, besides ignore
, are:
>>> u'a?ä'.encode('ascii', 'replace')
b'a??'
>>> u'a?ä'.encode('ascii', 'xmlcharrefreplace')
b'aあä'
>>> u'a?ä'.encode('ascii', 'backslashreplace')
b'a\\u3042\\xe4'
See https://docs.python.org/3/library/stdtypes.html#str.encode
If you want to check for authenticated users in your template then:
{% if user.is_authenticated %}
<p>Authenticated user</p>
{% else %}
<!-- Do something which you want to do with unauthenticated user -->
{% endif %}
POSIX 2008 added the +
marker to find
which means it now automatically groups as many files as are reasonable into a single command execution, very much like xargs
does, but with a number of advantages:
The file name issue is a problem with xargs
without the -0
option, and the 'run even with zero file names' issue is a problem with or without the -0
option — but GNU xargs
has the -r
or --no-run-if-empty
option to prevent that happening. Also, this notation cuts down on the number of processes, not that you're likely to measure the difference in performance. Hence, you could sensibly write:
find . -exec grep something {} +
find . -print | xargs grep something
If you're on Linux or have the GNU find
and xargs
commands, then use -print0
with find
and -0
with xargs
to handle file names containing spaces and other odd-ball characters.
find . -print0 | xargs -0 grep something
grep
If you don't want the file names (just the text) then add an appropriate option to grep
(usually -h
to suppressing 'headings'). To absolutely guarantee the file name is printed by grep
(even if only one file is found, or the last invocation of grep
is only given 1 file name), then add /dev/null
to the xargs
command line, so that there will always be at least two file names.
I think something like
$("#leftDiv").mouseover(function(){$(this).css("overflow","scroll");});
$("#leftDiv").mouseout(function(){$(this).css("overflow","hidden");});
You don't need two JScrollPanes
.
Example:
JTextArea ta = new JTextArea();
JScrollPane sp = new JScrollPane(ta);
// Add the scroll pane into the content pane
JFrame f = new JFrame();
f.getContentPane().add(sp);
Yet another option I just installed on Mojave: magicmonty/bash-git-prompt
Run (brew update
) and brew install bash-git-prompt
or brew install --HEAD bash-git-prompt
Then to your ~/.bash_profile
or ~/.bashrc
:
if [ -f "$(brew --prefix)/opt/bash-git-prompt/share/gitprompt.sh" ]; then
__GIT_PROMPT_DIR=$(brew --prefix)/opt/bash-git-prompt/share
GIT_PROMPT_ONLY_IN_REPO=1
source "$(brew --prefix)/opt/bash-git-prompt/share/gitprompt.sh"
fi
I'm happy.
An example use-case to plot CPU usage in real-time.
import time
import psutil
import matplotlib.pyplot as plt
fig = plt.figure()
ax = fig.add_subplot(111)
i = 0
x, y = [], []
while True:
x.append(i)
y.append(psutil.cpu_percent())
ax.plot(x, y, color='b')
fig.canvas.draw()
ax.set_xlim(left=max(0, i - 50), right=i + 50)
fig.show()
plt.pause(0.05)
i += 1
Prefixing the string with an @ indicates that it should be treated as a literal, i.e. no escaping.
For example if your string contains a path you would typically do this:
string path = "c:\\mypath\\to\\myfile.txt";
The @ allows you to do this:
string path = @"c:\mypath\to\myfile.txt";
Notice the lack of double slashes (escaping)