Have you tried:

ifconfig 10:35978f0 down

As the physical interface is 10 and the virtual aspect is after the colon :.

See also https://www.cyberciti.biz/faq/linux-command-to-remove-virtual-interfaces-or-network-aliases/

Open notepad and paste this code:

@echo off
powershell -Command "Start-Process cmd -Verb RunAs -ArgumentList '/c %*'"
@echo on

Then, save the file as sudo.cmd. Copy this file and paste it at C:\Windows\System32 or add the path where sudo.cmd is to your PATH Environment Variable.

When you open command prompt, you can now run something like sudo start ..

If you want the terminal window to stay open when you run the command, change the code in notepad to this:

@echo off
powershell -Command "Start-Process cmd -Verb RunAs -ArgumentList '/k %*'"
@echo on

Explanation:

powershell -Command runs a powershell command.

Start-Process is a powershell command that starts a process, in this case, command prompt.

-Verb RunAs runs the command as admin.

-Argument-List runs the command with arguments.

Our arguments are '/c %*'. %* means all arguments, so if you did sudo foo bar, it would run in command prompt foo bar because the parameters are foo and bar, and %* returns foo bar.

The /c is a cmd parameter for closing the window after the command is finished, and the /k is a cmd parameter for keeping the window open.

In my case, I modified hibernate-core source code, well, to introduce a new annotation @DefaultValue:

commit 34199cba96b6b1dc42d0d19c066bd4d119b553d5
Author: Lenik <xjl at 99jsj.com>
Date:   Wed Dec 21 13:28:33 2011 +0800

    Add default-value ddl support with annotation @DefaultValue.

diff --git a/hibernate-core/src/main/java/org/hibernate/annotations/DefaultValue.java b/hibernate-core/src/main/java/org/hibernate/annotations/DefaultValue.java
new file mode 100644
index 0000000..b3e605e
--- /dev/null
+++ b/hibernate-core/src/main/java/org/hibernate/annotations/DefaultValue.java
@@ -0,0 +1,35 @@
+package org.hibernate.annotations;
+
+import static java.lang.annotation.ElementType.FIELD;
+import static java.lang.annotation.ElementType.METHOD;
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+
+import java.lang.annotation.Retention;
+
+/**
+ * Specify a default value for the column.
+ *
+ * This is used to generate the auto DDL.
+ *
+ * WARNING: This is not part of JPA 2.0 specification.
+ *
+ * @author ???
+ */
[email protected]({ FIELD, METHOD })
+@Retention(RUNTIME)
+public @interface DefaultValue {
+
+    /**
+     * The default value sql fragment.
+     *
+     * For string values, you need to quote the value like 'foo'.
+     *
+     * Because different database implementation may use different 
+     * quoting format, so this is not portable. But for simple values
+     * like number and strings, this is generally enough for use.
+     */
+    String value();
+
+}
diff --git a/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3Column.java b/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3Column.java
index b289b1e..ac57f1a 100644
--- a/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3Column.java
+++ b/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3Column.java
@@ -29,6 +29,7 @@ import org.hibernate.AnnotationException;
 import org.hibernate.AssertionFailure;
 import org.hibernate.annotations.ColumnTransformer;
 import org.hibernate.annotations.ColumnTransformers;
+import org.hibernate.annotations.DefaultValue;
 import org.hibernate.annotations.common.reflection.XProperty;
 import org.hibernate.cfg.annotations.Nullability;
 import org.hibernate.mapping.Column;
@@ -65,6 +66,7 @@ public class Ejb3Column {
    private String propertyName;
    private boolean unique;
    private boolean nullable = true;
+   private String defaultValue;
    private String formulaString;
    private Formula formula;
    private Table table;
@@ -175,7 +177,15 @@ public class Ejb3Column {
        return mappingColumn.isNullable();
    }

-   public Ejb3Column() {
+   public String getDefaultValue() {
+        return defaultValue;
+    }
+
+    public void setDefaultValue(String defaultValue) {
+        this.defaultValue = defaultValue;
+    }
+
+    public Ejb3Column() {
    }

    public void bind() {
@@ -186,7 +196,7 @@ public class Ejb3Column {
        }
        else {
            initMappingColumn(
-                   logicalColumnName, propertyName, length, precision, scale, nullable, sqlType, unique, true
+                   logicalColumnName, propertyName, length, precision, scale, nullable, sqlType, unique, defaultValue, true
            );
            log.debug( "Binding column: " + toString());
        }
@@ -201,6 +211,7 @@ public class Ejb3Column {
            boolean nullable,
            String sqlType,
            boolean unique,
+           String defaultValue,
            boolean applyNamingStrategy) {
        if ( StringHelper.isNotEmpty( formulaString ) ) {
            this.formula = new Formula();
@@ -217,6 +228,7 @@ public class Ejb3Column {
            this.mappingColumn.setNullable( nullable );
            this.mappingColumn.setSqlType( sqlType );
            this.mappingColumn.setUnique( unique );
+           this.mappingColumn.setDefaultValue(defaultValue);

            if(writeExpression != null && !writeExpression.matches("[^?]*\\?[^?]*")) {
                throw new AnnotationException(
@@ -454,6 +466,11 @@ public class Ejb3Column {
                    else {
                        column.setLogicalColumnName( columnName );
                    }
+                   DefaultValue _defaultValue = inferredData.getProperty().getAnnotation(DefaultValue.class);
+                   if (_defaultValue != null) {
+                       String defaultValue = _defaultValue.value();
+                       column.setDefaultValue(defaultValue);
+                   }

                    column.setPropertyName(
                            BinderHelper.getRelativePath( propertyHolder, inferredData.getPropertyName() )
diff --git a/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3JoinColumn.java b/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3JoinColumn.java
index e57636a..3d871f7 100644
--- a/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3JoinColumn.java
+++ b/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3JoinColumn.java
@@ -423,6 +424,7 @@ public class Ejb3JoinColumn extends Ejb3Column {
                getMappingColumn() != null ? getMappingColumn().isNullable() : false,
                referencedColumn.getSqlType(),
                getMappingColumn() != null ? getMappingColumn().isUnique() : false,
+               null, // default-value
                false
        );
        linkWithValue( value );
@@ -502,6 +504,7 @@ public class Ejb3JoinColumn extends Ejb3Column {
                getMappingColumn().isNullable(),
                column.getSqlType(),
                getMappingColumn().isUnique(),
+               null, // default-value
                false //We do copy no strategy here
        );
        linkWithValue( value );

Well, this is a hibernate-only solution.

Yes, you can do the same in Seaborn directly. This is done with tsplot() which allows either a single array as input, or two arrays where the other is 'time' i.e. x-axis.

import seaborn as sns

data =  [1,5,3,2,6] * 20
time = range(100)

sns.tsplot(data, time)

Here's a three-step, somewhat minimalist version of ThorSummoner's answer for the sake of clarity. It doesn't quite do what I want (I'll explain at the bottom), but it works okay.

Step 1: Make directory and setup.py

filepath_to/project_name/
    setup.py

In setup.py, write:

import setuptools

setuptools.setup(name='project_name')

Step 2: Install this directory as a package

Run this code in console:

python -m pip install --editable filepath_to/project_name

Instead of python, you may need to use python3 or something, depending on how your python is installed. Also, you can use -e instead of --editable.

Now, your directory will look more or less like this. I don't know what the egg stuff is.

filepath_to/project_name/
    setup.py
    test_3.egg-info/
        dependency_links.txt
        PKG-INFO
        SOURCES.txt
        top_level.txt

This folder is considered a python package and you can import from files in this parent directory even if you're writing a script anywhere else on your computer.

Step 3. Import from above

Let's say you make two files, one in your project's main directory and another in a sub directory. It'll look like this:

filepath_to/project_name/
    top_level_file.py
    subdirectory/
        subfile.py

    setup.py          |
    test_3.egg-info/  |----- Ignore these guys
        ...           |

Now, if top_level_file.py looks like this:

x = 1

Then I can import it from subfile.py, or really any other file anywhere else on your computer.

# subfile.py  OR  some_other_python_file_somewhere_else.py

import random # This is a standard package that can be imported anywhere.
import top_level_file # Now, top_level_file.py works similarly.

print(top_level_file.x)

This is different than what I was looking for: I hoped python had a one-line way to import from a file above. Instead, I have to treat the script like a module, do a bunch of boilerplate, and install it globally for the entire python installation to have access to it. It's overkill. If anyone has a simpler method than doesn't involve the above process or importlib shenanigans, please let me know.

To avoid all conversions to a list import itertools and:

>>> for k, g in itertools.groupby(xrange(35), lambda x: x/10):
...     list(g)

Produces:

... 
0 [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
1 [10, 11, 12, 13, 14, 15, 16, 17, 18, 19]
2 [20, 21, 22, 23, 24, 25, 26, 27, 28, 29]
3 [30, 31, 32, 33, 34]
>>> 

I checked groupby and it doesn't convert to list or use len so I (think) this will delay resolution of each value until it is actually used. Sadly none of the available answers (at this time) seemed to offer this variation.

Obviously if you need to handle each item in turn nest a for loop over g:

for k,g in itertools.groupby(xrange(35), lambda x: x/10):
    for i in g:
       # do what you need to do with individual items
    # now do what you need to do with the whole group

My specific interest in this was the need to consume a generator to submit changes in batches of up to 1000 to the gmail API:

    messages = a_generator_which_would_not_be_smart_as_a_list
    for idx, batch in groupby(messages, lambda x: x/1000):
        batch_request = BatchHttpRequest()
        for message in batch:
            batch_request.add(self.service.users().messages().modify(userId='me', id=message['id'], body=msg_labels))
        http = httplib2.Http()
        self.credentials.authorize(http)
        batch_request.execute(http=http)

This error happens to me when I am pushing my commit and my computer hangs. This is how I've fix it.

Steps to fix

git status

show the empty/corrupt object file

rm .git/objects/08/3834cb34d155e67a8930604d57d3d302d7ec12

remove it

git status

I got fatal: bad object HEAD message

rm .git/index

I remove the index for the reset

git reset

fatal: Could not parse object 'HEAD'.

git status
git pull

just to check whats happening

tail -n 2 .git/logs/refs/heads/MY-CURRENT-BRANCH

prints the last 2 lines tail -n 2 of log branch to show my last 2 commit hash

git update-ref HEAD 7221fa02cb627470db163826da4265609aba47b2

I pick the last commit hash

git status

shows all my file as deleted because i removed the .git/index file

git reset

continue to the reset

git status

verify my fix

Note: The steps starts when I landed on this question and used the answers as reference.

There are two times when you can update a record through a view:

1. If the view has no joins or procedure calls and selects data from a single underlying table.
2. If the view has an INSTEAD OF INSERT trigger associated with the view.

Generally, you should not rely on being able to perform an insert to a view unless you have specifically written an INSTEAD OF trigger for it. Be aware, there are also INSTEAD OF UPDATE triggers that can be written as well to help perform updates.

Turns out I was out of space! Deleting files on the drive allowed for normal startup and running.

In general, CSS properties are converted to JavaScript by making them camelCase without any dashes. So background-color becomes backgroundColor.

function setColor(element, color)
{
    element.style.backgroundColor = color;
}

// where el is the concerned element
var el = document.getElementById('elementId');
setColor(el, 'green');

Python 3 was working successfully, but without pip3. I tried advice from Stack Overflow, Quora and others (numerous installs and uninstalls).

Python 3 was always fine, but without pip3. Finally I downloaded Python3 from: https://www.python.org/downloads/

By simple mouse clicks and everything (Python 3 + pip3), it is working fine now.

Below command works for me. Provided that all required jars including testng jar kept inside lib.

java -cp "lib/*" org.testng.TestNG testng.xml

Javascript files are often cached by the browser for a lot longer than you might expect.

This can often result in unexpected behaviour when you release a new version of your JS file.

Therefore, it is common practice to add a QueryString parameter to the URL for the javascript file. That way, the browser caches the Javascript file with v=1. When you release a new version of your javascript file you change the url's to v=2 and the browser will be forced to download a new copy.

to take output in MySQL you can use if statement SYNTAX:

if(condition,if_true,if_false)

the if_true and if_false can be used to verify and to show output as there is no print statement in the MySQL

One liner as suggested here

How to determine one year from now in Javascript by JP DeVries

new Date(new Date().setFullYear(new Date().getFullYear() + 1))

Or you can get the number of years from somewhere in a variable:

const nr_years = 3;
new Date(new Date().setFullYear(new Date().getFullYear() + nr_years))

sudo apt install aptitude

Then

sudo aptitude install npm

Source: https://askubuntu.com/a/978353/458947

If you have VS2013 installed and are getting this error, you may be invoking the wrong MSBuild. With VS2013, Microsoft now includes MSBuild as part of Visual Studio. See this Visual Studio blog posting for details.

In particular, note the new location of the binaries:

On 32-bit machines they can be found in: C:\Program Files\MSBuild\12.0\bin

On 64-bit machines the 32-bit tools will be under: C:\Program Files (x86)\MSBuild\12.0\bin

and the 64-bit tools under: C:\Program Files (x86)\MSBuild\12.0\bin\amd64

The MSBuild in %WINDIR%\Microsoft.NET\Framework\ doesn't seem to recognize the VS2013 (v120) platform toolset.

One minor difference is what they convert of undefined or null,

Number() Or Number(null) // returns 0

while

parseInt() Or parseInt(null) // returns NaN

Observe if the view has the model required:

View

@model IEnumerable<WFAccess.Models.ViewModels.SiteViewModel>

<div class="row">
    <table class="table table-striped table-hover table-width-custom">
        <thead>
            <tr>
....

Controller

[HttpGet]
public ActionResult ListItems()
{
    SiteStore site = new SiteStore();
    site.GetSites();

    IEnumerable<SiteViewModel> sites =
        site.SitesList.Select(s => new SiteViewModel
        {
            Id = s.Id,
            Type = s.Type
        });

    return PartialView("_ListItems", sites);
}

In my case I Use a partial view but runs in normal views

Not really sure about what you meant, but you probably just need

Date d = new Date();

You have a few options:

1) Use the Bundle from the Intent:

Intent mIntent = new Intent(this, Example.class);
Bundle extras = mIntent.getExtras();
extras.putString(key, value);  

2) Create a new Bundle

Intent mIntent = new Intent(this, Example.class);
Bundle mBundle = new Bundle();
mBundle.putString(key, value);
mIntent.putExtras(mBundle);

3) Use the putExtra() shortcut method of the Intent

Intent mIntent = new Intent(this, Example.class);
mIntent.putExtra(key, value);

Then, in the launched Activity, you would read them via:

String value = getIntent().getExtras().getString(key)

NOTE: Bundles have "get" and "put" methods for all the primitive types, Parcelables, and Serializables. I just used Strings for demonstrational purposes.

Note that IETF RFC4627 has been superseded by IETF RFC7158. In section [8.1] it retracts the text cited by @Drew earlier by saying:

Implementations MUST NOT add a byte order mark to the beginning of a JSON text.

As others mentioned, you could use JDialog. If you don't have access to the parent frame or you want to freeze the hole application just pass null as a parent:

final JDialog frame = new JDialog((JFrame)null, frameTitle, true); frame.setModal(true);
frame.getContentPane().add(panel);
frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
frame.pack();
frame.setVisible(true);

To pre-populate date, first you have to initialise datepicker, then pass setDate parameter value.

$("#date_pretty").datepicker().datepicker("setDate", new Date());

In case you would like to read/check your Target Build Settings in runtime using code, here is the way:

1) Add a Run Script:

cp ${PROJECT_FILE_PATH}/project.pbxproj ${CONFIGURATION_BUILD_DIR}/${EXECUTABLE_NAME}.app/BuildSetting.pbxproj 

It will copy the Target Build Settings file into your Main Bundle (will be called BuildSetting.pbxproj).

2) You can now check the contents of that file at any time in code:

NSString *thePathString = [[NSBundle mainBundle] pathForResource:@"BuildSetting" ofType:@"pbxproj"];
NSDictionary *theDictionary = [NSDictionary dictionaryWithContentsOfFile:thePathString];

You should set default values in migrations:

$table->tinyInteger('role')->default(1);

zeros=[0]*4

you can replace 4 in the above example with whatever number you want.

try this:

var a = screen.Data.getFullYear();
var m = screen.Data.getMonth();
var d = screen.Data.getDate();

m = m + 1;
screen.Data = new Date(a, m, d);

if (screen.Data.getDate() != d)
screen.Data = new Date(a, m + 1, 0);

You could use .dropna() if it is OK to drop the rows with the NaN values.

df = df.dropna(subset=['id'])

Alternatively, use .fillna() and .astype() to replace the NaN with values and convert them to int.

I ran into this problem when processing a CSV file with large integers, while some of them were missing (NaN). Using float as the type was not an option, because I might loose the precision.

My solution was to use str as the intermediate type. Then you can convert the string to int as you please later in the code. I replaced NaN with 0, but you could choose any value.

df = pd.read_csv(filename, dtype={'id':str})
df["id"] = df["id"].fillna("0").astype(int)

For the illustration, here is an example how floats may loose the precision:

s = "12345678901234567890"
f = float(s)
i = int(f)
i2 = int(s)
print (f, i, i2)

And the output is:

1.2345678901234567e+19 12345678901234567168 12345678901234567890

There's no built-in ability to break in forEach. To interrupt execution you would have to throw an exception of some sort. eg.

var BreakException = {};_x000D_
_x000D_
try {_x000D_
  [1, 2, 3].forEach(function(el) {_x000D_
    console.log(el);_x000D_
    if (el === 2) throw BreakException;_x000D_
  });_x000D_
} catch (e) {_x000D_
  if (e !== BreakException) throw e;_x000D_
}

JavaScript exceptions aren't terribly pretty. A traditional for loop might be more appropriate if you really need to break inside it.

Use Array#some

Instead, use Array#some:

[1, 2, 3].some(function(el) {_x000D_
  console.log(el);_x000D_
  return el === 2;_x000D_
});

This works because some returns true as soon as any of the callbacks, executed in array order, return true, short-circuiting the execution of the rest.

some, its inverse every (which will stop on a return false), and forEach are all ECMAScript Fifth Edition methods which will need to be added to the Array.prototype on browsers where they're missing.

This method also works just fine:

div.container {
   display: flex;
   justify-content: center; /* For horizontal alignment */
   align-items: center;     /* For vertical alignment   */
}

For the inner <div>, the only condition is that its height and width must not be larger than the ones of its container.

Why do you need to encrypt the database? The user could easily disassemble your program and figure out the key. If you're encrypting it for network transfer, then consider using PGP instead of squeezing an encryption layer into a database layer.

Making strings immutable has many advantages. It provides automatic thread safety, and makes strings behave like an intrinsic type in a simple, effective manner. It also allows for extra efficiencies at runtime (such as allowing effective string interning to reduce resource usage), and has huge security advantages, since it's impossible for an third party API call to change your strings.

StringBuilder was added in order to address the one major disadvantage of immutable strings - runtime construction of immutable types causes a lot of GC pressure and is inherently slow. By making an explicit, mutable class to handle this, this issue is addressed without adding unneeded complication to the string class.

We have document.referrer for this, but it is not on which we can relay. This could be saved, could be not

$(document).ready(function() {
   var referrer =  document.referrer;
});

The better approach is to add a cookie to store the previous-url in the browser.

How about using the wsdl /server or wsdl /serverinterface switches? As far as I understand the wsdl.exe command line properties, that's what you're looking for.

- ADVANCED -

/server

Server switch has been deprecated. Please use /serverInterface instead.
Generate an abstract class for an xml web service implementation using
ASP.NET based on the contracts. The default is to generate client proxy
classes.

On the other hand: why do you want to create obsolete technology solutions? Why not create this web service as a WCF service. That's the current and more modern, much more flexible way to do this!

Marc

UPDATE:

When I use wsdl /server on a WSDL file, I get this file created:

[WebService(Namespace="http://.......")]
public abstract partial class OneCrmServiceType : System.Web.Services.WebService 
{
    /// <remarks/>
    [WebMethod]
    public abstract void OrderCreated(......);
}

This is basically almost exactly the same code that gets generated when you add an ASMX file to your solution (in the code behind file - "yourservice.asmx.cs"). I don't think you can get any closer to creating an ASMX file from a WSDL file.

You can always add the "yourservice.asmx" manually - it doesn't really contain much:

<%@ WebService Language="C#" CodeBehind="YourService.asmx.cs" 
      Class="YourServiceNamespace.YourServiceClass" %>

More info... Some times .swp files might be holded by vm that was running in backgroung. You may see permission denied message when try to delete the files.

My solution works in .NET Compact Framework (3.5) and supports type checking at compile time:

public static List<T> GetEnumValues<T>() where T : new() {
    T valueType = new T();
    return typeof(T).GetFields()
        .Select(fieldInfo => (T)fieldInfo.GetValue(valueType))
        .Distinct()
        .ToList();
}

public static List<String> GetEnumNames<T>() {
    return typeof (T).GetFields()
        .Select(info => info.Name)
        .Distinct()
        .ToList();
}

• If anyone knows how to get rid of the T valueType = new T(), I'd be happy to see a solution.

A call would look like this:

List<MyEnum> result = Utils.GetEnumValues<MyEnum>();

I recorded a macro and I found it in %APPDATA%\Notepad++\shortcuts.xml. It looks like posted in the first post of this thread.

I use NPP Ver. 5.9.6.2 with Win7.

There's two possible questions here: how can you iterate over those variables simultaneously, or how can you loop over their combination.

Fortunately, there's simple answers to both. First case, you want to use zip.

x = [1, 2, 3]
y = [4, 5, 6]

for i, j in zip(x, y):
   print(str(i) + " / " + str(j))

will output

1 / 4
2 / 5
3 / 6

Remember that you can put any iterable in zip, so you could just as easily write your exmple like:

for i, j in zip(range(x), range(y)):
    # do work here.

Actually, just realised that won't work. It would only iterate until the smaller range ran out. In which case, it sounds like you want to iterate over the combination of loops.

In the other case, you just want a nested loop.

for i in x:
    for j in y:
        print(str(i) + " / " + str(j))

gives you

1 / 4
1 / 5
1 / 6
2 / 4
2 / 5
...

You can also do this as a list comprehension.

[str(i) + " / " + str(j) for i in range(x) for j in range(y)]

Hope that helps.

There can be many things:
First attempt, make a select of this field in its source table;
Check the instance of the sql script window, you may be in a different instance;
Check if your join is correct;
Verify query ambiguity, maybe you are making a wrong table reference
Of these checks, run the T-sql script again

[Image of the script SQL][1]
  [1]: https://i.stack.imgur.com/r59ZY.png`enter code here

This:

document.getElementById('myField').onblur();

works because your element (the <input>) has an attribute called "onblur" whose value is a function. Thus, you can call it. You're not telling the browser to simulate the actual "blur" event, however; there's no event object created, for example.

Elements do not have a "blur" attribute (or "method" or whatever), so that's why the first thing doesn't work.

Try this:

var charArray = "this is a test".ToCharArray().Select(c=>c.ToString());

You are using an old version of the date picker js. Upgrade datepicker js with latest one.

Replace your bootstrap-datetimepicker.min.js file with this will work..

<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-datetimepicker/3.1.3/js/bootstrap-datetimepicker.min.js"></script>

Server:

namespace SocketServer    
{
    class Program
    {
        static Socket klient; 
        static void Main(string[] args)
        {
            Socket server = new Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp); 
            IPEndPoint endPoint = new IPEndPoint(IPAddress.Any, 8888); 
            server.Bind(endPoint);
            server.Listen(20);
            while(true)
            {
                Console.WriteLine("Waiting...");
                klient = server.Accept();

                Console.WriteLine("Client connected");
                Task t = new Task(ServisClient);
                t.Start();
            }
        }

        static void ServisClient()
        {
            try
            {
                while (true)
                {
                    byte[] buffer = new byte[64];
                    Console.WriteLine("Waiting for answer...");
                    klient.Receive(buffer, 0, buffer.Length, 0);
                    string message = Encoding.UTF8.GetString(buffer);
                    Console.WriteLine("Answer: " + message);

                    string answer = "Actualy date is " + DateTime.Now;
                    buffer = Encoding.UTF8.GetBytes(answer);
                    Console.WriteLine("Sending {0}", answer);
                    klient.Send(buffer);
                }
            }
            catch
            {
                Console.WriteLine("Disconnected");
            }
        }
    }
}

Edit: in the two minuites it took me to fire up vs and check the syntax i was beaten to it with much better responses. i love this site.

        progressBar1 = new ProgressBar();
        progressBar1.ForeColor = Color.Red;

You get that error because you don't have the public key of the person who signed the message.

gpg should have given you a message containing the ID of the key that was used to sign it. Obtain the public key from the person who encrypted the file and import it into your keyring (gpg2 --import key.asc); you should be able to verify the signature after that.

If the sender submitted its public key to a keyserver (for instance, https://pgp.mit.edu/), then you may be able to import the key directly from the keyserver:

gpg2 --keyserver https://pgp.mit.edu/ --search-keys <sender_name_or_address>

Use max():

 
Using itemgetter():

In [53]: lis=[(101, 153), (255, 827), (361, 961)]

In [81]: from operator import itemgetter

In [82]: max(lis,key=itemgetter(1))[0]    #faster solution
Out[82]: 361

using lambda:

In [54]: max(lis,key=lambda item:item[1])
Out[54]: (361, 961)

In [55]: max(lis,key=lambda item:item[1])[0]
Out[55]: 361

timeit comparison:

In [30]: %timeit max(lis,key=itemgetter(1))
1000 loops, best of 3: 232 us per loop

In [31]: %timeit max(lis,key=lambda item:item[1])
1000 loops, best of 3: 556 us per loop

I solved it this way.. I have basically a simple view inside xml file.

 View viewname = findViewById(R.id.prod_extra);
             prodExtra.getLayoutParams().height=64;

You can use the Environment class's static NewLine property to get the proper newline:

$errorMsg =  "{0} Error {1}{2} key {3} expected: {4}{5} local value is: {6}" -f `
               (Get-Date),$keyPath,$value,$key,$policyValue,([Environment]::NewLine),$localValue
Add-Content -Path $logpath $errorMsg

There is an easy workaround for this problem

What you need to do, is format your dates as DD/MM/YYYY (or whichever way around you like)

Insert a column next to the time and date columns, put a formula in this column that adds them together. e.g. =A5+B5.

Format this inserted column into DD/MM/YYYY hh:mm:ss which can be found in the custom category on the formatting section

Plot a scatter graph

Badabing badaboom

If you are unhappy with this workaround, learn to use GNUplot :)

CSS is designed to describe the presentation of documents. It has a few features for changing that presentation in reaction to user interaction (primarily :hover for indicating that you are now pointing at something interactive).

Making something draggable isn't a simple matter of presentation. It is firmly in the territory of interactivity logic, which is handled by JavaScript.

What you want is not achievable.

You could do what React warns you when you try to set the "selected" property of the <option>:

Use the defaultValue or value props on <select> instead of setting selected on <option>.

So, you can use options.value on the defaultValue of your select

You were correct to use WaitForSeconds. But I suspect that you tried using it without coroutines. That's how it should work:

public void SomeMethod()
{
    StartCoroutine(SomeCoroutine());
}

private IEnumerator SomeCoroutine()
{
    TextUI.text = "Welcome to Number Wizard!";
    yield return new WaitForSeconds (3);
    TextUI.text = ("The highest number you can pick is " + max);
    yield return new WaitForSeconds (3);
    TextUI.text = ("The lowest number you can pick is " + min);
}

C or C++ does not provide this functionality, although I've needed it often.

The following code works, although it's best suited for non-sparse enums.

typedef enum { ONE, TWO, THREE } Numbers;
char *strNumbers[] = {"one","two","three"};
printf ("Value for TWO is %s\n",strNumbers[TWO]);

By non-sparse, I mean not of the form

typedef enum { ONE, FOUR_THOUSAND = 4000 } Numbers;

since that has huge gaps in it.

The advantage of this method is that it put the definitions of the enums and strings near each other; having a switch statement in a function spearates them. This means you're less likely to change one without the other.

With the arrival of the HTTPClient API, not only was the Http API replaced, but a new one was added, the HttpInterceptor API.

AFAIK one of its goals is to add default behavior to all the HTTP outgoing requests and incoming responses.

So assumming that you want to add a default error handling behavior, adding .catch() to all of your possible http.get/post/etc methods is ridiculously hard to maintain.

This could be done in the following way as example using a HttpInterceptor:

import { Injectable } from '@angular/core';
import { HttpEvent, HttpInterceptor, HttpHandler, HttpRequest, HttpErrorResponse, HTTP_INTERCEPTORS } from '@angular/common/http';
import { Observable } from 'rxjs/Observable';
import { _throw } from 'rxjs/observable/throw';
import 'rxjs/add/operator/catch';

/**
 * Intercepts the HTTP responses, and in case that an error/exception is thrown, handles it
 * and extract the relevant information of it.
 */
@Injectable()
export class ErrorInterceptor implements HttpInterceptor {
    /**
     * Intercepts an outgoing HTTP request, executes it and handles any error that could be triggered in execution.
     * @see HttpInterceptor
     * @param req the outgoing HTTP request
     * @param next a HTTP request handler
     */
    intercept(req: HttpRequest<any>, next: HttpHandler): Observable<HttpEvent<any>> {
        return next.handle(req)
            .catch(errorResponse => {
                let errMsg: string;
                if (errorResponse instanceof HttpErrorResponse) {
                    const err = errorResponse.message || JSON.stringify(errorResponse.error);
                    errMsg = `${errorResponse.status} - ${errorResponse.statusText || ''} Details: ${err}`;
                } else {
                    errMsg = errorResponse.message ? errorResponse.message : errorResponse.toString();
                }
                return _throw(errMsg);
            });
    }
}

/**
 * Provider POJO for the interceptor
 */
export const ErrorInterceptorProvider = {
    provide: HTTP_INTERCEPTORS,
    useClass: ErrorInterceptor,
    multi: true,
};

// app.module.ts

import { ErrorInterceptorProvider } from 'somewhere/in/your/src/folder';

@NgModule({
   ...
   providers: [
    ...
    ErrorInterceptorProvider,
    ....
   ],
   ...
})
export class AppModule {}

Some extra info for OP: Calling http.get/post/etc without a strong type isn't an optimal use of the API. Your service should look like this:

// These interfaces could be somewhere else in your src folder, not necessarily in your service file
export interface FooPost {
 // Define the form of the object in JSON format that your 
 // expect from the backend on post
}

export interface FooPatch {
 // Define the form of the object in JSON format that your 
 // expect from the backend on patch
}

export interface FooGet {
 // Define the form of the object in JSON format that your 
 // expect from the backend on get
}

@Injectable()
export class DataService {
    baseUrl = 'http://localhost'
    constructor(
        private http: HttpClient) {
    }

    get(url, params): Observable<FooGet> {

        return this.http.get<FooGet>(this.baseUrl + url, params);
    }

    post(url, body): Observable<FooPost> {
        return this.http.post<FooPost>(this.baseUrl + url, body);
    }

    patch(url, body): Observable<FooPatch> {
        return this.http.patch<FooPatch>(this.baseUrl + url, body);
    }
}

Returning Promises from your service methods instead of Observables is another bad decision.

And an extra piece of advice: if you are using TYPEscript, then start using the type part of it. You lose one of the biggest advantages of the language: to know the type of the value that you are dealing with.

If you want a, in my opinion, good example of an angular service, take a look at the following gist.

Check if you use Proxy.

I've got this problem in Mozilla Firefox, I thought it's some issue related to the Firefox itself. Later I found out that I am using a proxy server. When I unchecked the proxy, everything got fine.

another method:

> ["a","b","c","","","f","g"].keep_if{|some| some.present?}
=> ["a","b","c","f","g"]

You should rather use GROUP BY UNIX_TIMESTAMP(time_stamp) DIV 300 instead of round(../300) because of the rounding I found that some records are counted into two grouped result sets.

For portability, you really should do something like this:

public static final String NEW_LINE = System.getProperty("line.separator")
.
.
.
word.contains(NEW_LINE);

unless you're absolutely certain that "\n" is what you want.

To add UNIQUE constraint using phpmyadmin, go to the structure of that table and find below and click that,

To remove the UNIQUE constraint, same way, go to the structure and scroll down till Indexes Tab and find below and click drop,

Hope this works.

Enjoy ;)

The POST/GET with 204 seems fine in the first sight and will also work.

Documentation says, 2xx -- This class of status codes indicates the action requested by the client was received, understood, accepted, and processed successfully. whereas 4xx -- The 4xx class of status code is intended for situations in which the client seems to have erred.

Since, the request was successfully received, understood and processed on server. The result was that the resource was not found. So, in this case this was not an error on the client side or the client has not erred.

Hence this should be a series 2xx code and not 4xx. Sending 204 (No Content) in this case will be better than a 404 or 410 response.

RUBY

This code will reject the empty arrays and returns the proper array with values.

def find_sequence(val, num)
  b = val.length
  (0..b - 1).map {|n| val.uniq.combination(n).each.find_all {|value| value.reduce(:+) == num}}.reject(&:empty?)
end

val = [-10, 1, -1, 2, 0]
num = 2

Output will be [[2],[2,0],[-1,1,2],[-1,1,2,0]]

If you're stuck with SQL Server <2017, you can use GroupConcat. The syntax and the performance is far better than the FOR XML PATH sollution.

Installation:

-- https://codeplexarchive.blob.core.windows.net/archive/projects/groupconcat/groupconcat.zip
create assembly [GroupConcat] from 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with permission_set = safe;
create aggregate [dbo].[GROUP_CONCAT]    (@VALUE [nvarchar](4000))                                                      returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT];
create aggregate [dbo].[GROUP_CONCAT_D]  (@VALUE [nvarchar](4000), @DELIMITER [nvarchar](4))                            returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_D];
create aggregate [dbo].[GROUP_CONCAT_DS] (@VALUE [nvarchar](4000), @DELIMITER [nvarchar](4), @SORT_ORDER [tinyint])     returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_DS];
create aggregate [dbo].[GROUP_CONCAT_S]  (@VALUE [nvarchar](4000), @SORT_ORDER [tinyint])                               returns[nvarchar](max) external name [GroupConcat].[GroupConcat.GROUP_CONCAT_S];

go

Usage:

declare @liststr varchar(max)
select @liststr = dbo.group_concat_d(institutionname, ',')
from education
where studentnumber = '111'
group by studentnumber;
select @liststr

GroupConcat does not support ordering, though. You could use PIVOT, CTE's and windows functions if you need ordering:

drop table if exists #students;
create table #students (
    name        varchar(20),
    institution varchar(20),
    year        int -- order by year
)
go

insert into #students(name, institution, year)
values
    ('Simon', 'INSTITUTION1', 2005),
    ('Simon', 'INSTITUTION2', 2008);

with cte as (
    select name,
           institution,
           rn = row_number() over (partition by name order by year)
    from #students
)
select name,
       [1] +
       isnull((',' + [2]), '') +
       isnull((',' + [3]), '') +
       isnull((',' + [4]), '') +
       isnull((',' + [5]), '') +
       isnull((',' + [6]), '') +
       isnull((',' + [7]), '') +
       isnull((',' + [8]), '') +
       isnull((',' + [9]), '') +
       isnull((',' + [10]), '') +
       isnull((',' + [11]), '') +
       isnull((',' + [12]), '') +
       isnull((',' + [13]), '') +
       isnull((',' + [14]), '') +
       isnull((',' + [15]), '') +
       isnull((',' + [16]), '') +
       isnull((',' + [17]), '') +
       isnull((',' + [18]), '') +
       isnull((',' + [19]), '') +
       isnull((',' + [20]), '')
from cte
    pivot (
    max(institution)
    for rn in ([1], [2], [3], [4],[5],[6],[7],[8],[9],[10],[11],[12],[13],[14],[15],[16],[17],[18],[19],[20])
    ) as piv

Javascript document.getElementById("<%=contrilid.ClientID%>").value; or using jquery

$("#<%= txt_iplength.ClientID %>").val();

Use this:

Request.Url.AbsoluteUri

That will get you the full path (including http://...)

Use this when if satisfies

do

return true;

To find the Unix Timestamp in seconds:

moment().unix()

The documentation is your friend. :)

?. bad way: change delimiter

sed 's/xxx/'"$PWD"'/'
sed 's:xxx:'"$PWD"':'
sed 's@xxx@'"$PWD"'@'

maybe those not the final answer,

you can not known what character will occur in $PWD, / : OR @.

the good way is replace(escape) the special character in $PWD.

?. good way: escape delimiter

for example: try to replace URL as $url (has : / in content)

x.com:80/aa/bb/aa.js

in string $tmp

<a href="URL">URL</a>

A. use / as delimiter

escape / as \/ in var (before use in sed expression)

echo ${url//\//\\/}
x.com:80\/aa\/bb\/aa.js   #escape fine

echo ${url//\//\/}
x.com:80/aa/bb/aa.js      #escape not success

echo "${url//\//\/}"
x.com:80\/aa\/bb\/aa.js   #escape fine, notice `"`

echo $tmp | sed "s/URL/${url//\//\\/}/"
<a href="x.com:80/aa/bb/aa.js">URL</a>

echo $tmp | sed "s/URL/${url//\//\/}/"
<a href="x.com:80/aa/bb/aa.js">URL</a>

OR

B. use : as delimiter (more readable than /)

escape : as \: in var (before use in sed expression)

echo ${url//:/\:}
x.com:80/aa/bb/aa.js     #escape not success

echo "${url//:/\:}"
x.com\:80/aa/bb/aa.js    #escape fine, notice `"`

echo $tmp | sed "s:URL:${url//:/\:}:g"
<a href="x.com:80/aa/bb/aa.js">x.com:80/aa/bb/aa.js</a>

You can pass a variable to a function by reference. This function will be able to modify the original variable.

You can define the passage by reference in the function definition:

<?php
function changeValue(&$var)
{
    $var++;
}

$result=5;
changeValue($result);

echo $result; // $result is 6 here
?>

Download anaconda https://anaconda.org/

once done installing anaconda...

Go into Settings -> Project Settings -> Project Interpreter.

Then navigate to the "Paths" tab and search for /anaconda/bin/python

click apply

Check out the language reference:

http://msdn.microsoft.com/en-us/library/aa195811(office.11).aspx

expression.Open(FileName, UpdateLinks, ReadOnly, Format, Password, WriteResPassword, IgnoreReadOnlyRecommended, Origin, Delimiter, Editable, Notify, Converter, AddToMru, Local, CorruptLoad)

I would like to present another answer to this as the currently accepted answer doesn't work for me (I use LibreOffice). This solution should work in Excel, LibreOffice and OpenOffice:

First, insert a new row at the beginning of the sheet. Within that row, define the names you need:

Then, in the menu bar, go to View -> Freeze Cells -> Freeze First Row. It'll look like this now:

Now whenever you scroll down in the document, the first row will be "pinned" to the top:

One another way:

public static int numberOfDaysBetweenDates(Calendar fromDay, Calendar toDay) {
        fromDay = calendarStartOfDay(fromDay);
        toDay = calendarStartOfDay(toDay);
        long from = fromDay.getTimeInMillis();
        long to = toDay.getTimeInMillis();
        return (int) TimeUnit.MILLISECONDS.toDays(to - from);
    }

1. The class Date/Timestamp represents a specific instant in time, with millisecond precision, since January 1, 1970, 00:00:00 GMT. So this time difference (from epoch to current time) will be same in all computers across the world with irrespective of Timezone.

2. Date/Timestamp doesn't know about the given time is on which timezone.

3. If we want the time based on timezone we should go for the Calendar or SimpleDateFormat classes in java.

4. If you try to print a Date/Timestamp object using toString(), it will convert and print the time with the default timezone of your machine.

5. So we can say (Date/Timestamp).getTime() object will always have UTC (time in milliseconds)

6. To conclude Date.getTime() will give UTC time, but toString() is on locale specific timezone, not UTC.

Now how will I create/change time on specified timezone?

The below code gives you a date (time in milliseconds) with specified timezones. The only problem here is you have to give date in string format.

   DateFormat dateFormat = new SimpleDateFormat("yyyyMMdd HH:mm:ss");
   dateFormatLocal.setTimeZone(timeZone);
   java.util.Date parsedDate = dateFormatLocal.parse(date);

Use dateFormat.format for taking input Date (which is always UTC), timezone and return date as String.

How to store UTC/GMT time in DB:

If you print the parsedDate object, the time will be in default timezone. But you can store the UTC time in DB like below.

        Calendar calGMT = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
        Timestamp tsSchedStartTime = new Timestamp (parsedDate.getTime());
        if (tsSchedStartTime != null) {
            stmt.setTimestamp(11, tsSchedStartTime, calGMT );
        } else {
            stmt.setNull(11, java.sql.Types.DATE);
        }

as of now, with win 1909 and using Git-2.24.0.2-64-bit installer the process is very friendly towards user configuration. Seems like the earlier problems may now be catered for.

Just to add something I was missing from all the answers - even if it seems to be silly and obvious as soon as you know:

The file has to be named "App.config" or "app.config" and can be located in your project at the same level as e.g. Program.cs.

I do not know if other locations are possible, other names (like application.conf, as suggested in the ODP.net documentation) did not work for me.

PS. I started with Visual Studio Code and created a new project with "dotnet new". No configuration file is created in this case, I am sure there are other cases. PPS. You may need to add a nuget package to be able to read the config file, in case of .NET CORE it would be "dotnet add package System.Configuration.ConfigurationManager --version 4.5.0"

The number of arguments is $#

Search for it on this page to learn more: http://tldp.org/LDP/abs/html/internalvariables.html#ARGLIST

I had the same problem. I checked netstat, other processes running, firewall and changed httpd.conf, stopped antivirus, But all my efforts were in vain. :(

So finally the solution was to stop the IIS. And it worked :)

I guess IIS and apache cant work together. If anybody know any work around let us know.

I wrote a post a few months back on how to set up user registration and login functionality with Angular, you can check it out at http://jasonwatmore.com/post/2015/03/10/AngularJS-User-Registration-and-Login-Example.aspx

I check if the user is logged in the $locationChangeStart event, here is my main app.js showing this:

(function () {
    'use strict';
 
    angular
        .module('app', ['ngRoute', 'ngCookies'])
        .config(config)
        .run(run);
 
    config.$inject = ['$routeProvider', '$locationProvider'];
    function config($routeProvider, $locationProvider) {
        $routeProvider
            .when('/', {
                controller: 'HomeController',
                templateUrl: 'home/home.view.html',
                controllerAs: 'vm'
            })
 
            .when('/login', {
                controller: 'LoginController',
                templateUrl: 'login/login.view.html',
                controllerAs: 'vm'
            })
 
            .when('/register', {
                controller: 'RegisterController',
                templateUrl: 'register/register.view.html',
                controllerAs: 'vm'
            })
 
            .otherwise({ redirectTo: '/login' });
    }
 
    run.$inject = ['$rootScope', '$location', '$cookieStore', '$http'];
    function run($rootScope, $location, $cookieStore, $http) {
        // keep user logged in after page refresh
        $rootScope.globals = $cookieStore.get('globals') || {};
        if ($rootScope.globals.currentUser) {
            $http.defaults.headers.common['Authorization'] = 'Basic ' + $rootScope.globals.currentUser.authdata; // jshint ignore:line
        }
 
        $rootScope.$on('$locationChangeStart', function (event, next, current) {
            // redirect to login page if not logged in and trying to access a restricted page
            var restrictedPage = $.inArray($location.path(), ['/login', '/register']) === -1;
            var loggedIn = $rootScope.globals.currentUser;
            if (restrictedPage && !loggedIn) {
                $location.path('/login');
            }
        });
    }
 
})();

Simply use fs module and something like this:

fs.appendFile('server.log', 'string to append', function (err) {
   if (err) return console.log(err);
   console.log('Appended!');
});

It may be worth mentioning that running tomcat as a non root user (which you should be doing) will prevent you from using a port below 1024 on *nix. If you want to use TC as a standalone server -- as its performance no longer requires it to be fronted by Apache or the like -- you'll want to bind to port 80 along with whatever IP address you're specifying.

You can do this by using IPTABLES to redirect port 80 to 8080.

I had also the ADT Bundle that had the HTTP as update url. Changing it to HTTPS solved the problem for me.

You can only manually delete properties of objects. Thus:

var container = {};

container.instance = new class();

delete container.instance;

However, this won't work on any other pointers. Therefore:

var container = {};

container.instance = new class();

var pointer = container.instance;

delete pointer; // false ( ie attempt to delete failed )

Furthermore:

delete container.instance; // true ( ie attempt to delete succeeded, but... )

pointer; // class { destroy: function(){} }

So in practice, deletion is only useful for removing object properties themselves, and is not a reliable method for removing the code they point to from memory.

A manually specified destroy method could unbind any event listeners. Something like:

function class(){
  this.properties = { /**/ }

  function handler(){ /**/ }

  something.addEventListener( 'event', handler, false );

  this.destroy = function(){
    something.removeEventListener( 'event', handler );
  }
}

If you used Create React App, you can set an environment variable using a .env file. The documentation is here:

https://facebook.github.io/create-react-app/docs/adding-custom-environment-variables

Basically do something like this in the .env file at the project root.

REACT_APP_NOT_SECRET_CODE=abcdef

Note that the variable name must start with REACT_APP_

You can access it from your component with

process.env.REACT_APP_NOT_SECRET_CODE

This would be more performant than trimming the whole string, since you only need to check for at least a single non-space character existing

// Strempty checks whether string contains only whitespace or not
func Strempty(s string) bool {
    if len(s) == 0 {
        return true
    }

    r := []rune(s)
    l := len(r)

    for l > 0 {
        l--
        if !unicode.IsSpace(r[l]) {
            return false
        }
    }

    return true
}

There are more than one way to increment a variable in bash, but what you tried is not correct.

You can use for example arithmetic expansion:

i=$((i+1))

or only:

((i=i+1))

or:

((i+=1))

or even:

((i++))

Or you can use let:

let "i=i+1"

or only:

let "i+=1"

or even:

let "i++"

See also: http://tldp.org/LDP/abs/html/dblparens.html.

Swift 3.0 ++ version

In your viewDidLoad, register at notification center to listen to this opened from background action

NotificationCenter.default.addObserver(self, selector:#selector(doSomething), name: NSNotification.Name.UIApplicationWillEnterForeground, object: nil)
        

Then add this function and perform needed action

func doSomething(){
    //...
}

Finally add this function to clean up the notification observer when your view controller is destroyed.

deinit {
    NotificationCenter.default.removeObserver(self)
}

It's very easy to get memory leaks in a PHP script - especially if you use abstraction, such as an ORM. Try using Xdebug to profile your script and find out where all that memory went.

you need to include the Wordpress loop in your search.php this is example

search.php template file:

<?php get_header(); ?>
<?php
$s=get_search_query();
$args = array(
                's' =>$s
            );
    // The Query
$the_query = new WP_Query( $args );
if ( $the_query->have_posts() ) {
        _e("<h2 style='font-weight:bold;color:#000'>Search Results for: ".get_query_var('s')."</h2>");
        while ( $the_query->have_posts() ) {
           $the_query->the_post();
                 ?>
                    <li>
                        <a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
                    </li>
                 <?php
        }
    }else{
?>
        <h2 style='font-weight:bold;color:#000'>Nothing Found</h2>
        <div class="alert alert-info">
          <p>Sorry, but nothing matched your search criteria. Please try again with some different keywords.</p>
        </div>
<?php } ?>

<?php get_sidebar(); ?>
<?php get_footer(); ?>

Since you've got both the shell that you're typing into and the shell that sudo -s runs, you need to quote or escape twice. (EDITED fixed quoting)

sudo -su db2inst1 '/opt/ibm/db2/V9.7/bin/db2 force application \(1995\)'

or

sudo -su db2inst1 /opt/ibm/db2/V9.7/bin/db2 force application \\\(1995\\\)

Out of curiosity, why do you need -s? Can't you just do this:

sudo -u db2inst1 /opt/ibm/db2/V9.7/bin/db2 force application \(1995\)

A .pl is a single script.

In .pm (Perl Module) you have functions that you can use from other Perl scripts:

A Perl module is a self-contained piece of Perl code that can be used by a Perl program or by other Perl modules. It is conceptually similar to a C link library, or a C++ class.

You use it when you have lots of options to deal with. Think about things like jmock:

m.expects(once())
    .method("testMethod")
    .with(eq(1), eq(2))
    .returns("someResponse");

It feels a lot more natural and is...possible.

There's also xml building, string building and many other things. Imagine if java.util.Map had put as a builder. You could do stuff like this:

Map<String, Integer> m = new HashMap<String, Integer>()
    .put("a", 1)
    .put("b", 2)
    .put("c", 3);

one time i found this script, this copy folder and files and keep the same structure of the source in the destination, you can make some tries with this.

# Find the source files
$sourceDir="X:\sourceFolder"

# Set the target file
$targetDir="Y:\Destfolder\"
Get-ChildItem $sourceDir -Include *.* -Recurse |  foreach {

    # Remove the original  root folder
    $split = $_.Fullname  -split '\\'
    $DestFile =  $split[1..($split.Length - 1)] -join '\' 

    # Build the new  destination file path
    $DestFile = $targetDir+$DestFile

    # Move-Item won't  create the folder structure so we have to 
    # create a blank file  and then overwrite it
    $null = New-Item -Path  $DestFile -Type File -Force
    Move-Item -Path  $_.FullName -Destination $DestFile -Force
}

As several of my friend has posted there are many free leak detectors for C++. All of that will cause overhead when running your code, approximatly 20% slower. I preffer Visual Leak Detector for Visual C++ 2008/2010/2012 , you can download the source code from - enter link description here .

Snuffin solution seems quite slow to execute when you've got plenty of rows and Mark Byers/Rick James and Bluefeet solutions doesn't work on my environnement (MySQL 5.6) because order by is applied after execution of select, so here is a variant of Marc Byers/Rick James solutions to fix this issue (with an extra imbricated select):

select person, groupname, age
from
(
    select person, groupname, age,
    (@rn:=if(@prev = groupname, @rn +1, 1)) as rownumb,
    @prev:= groupname 
    from 
    (
        select person, groupname, age
        from persons 
        order by groupname ,  age desc, person
    )   as sortedlist
    JOIN (select @prev:=NULL, @rn :=0) as vars
) as groupedlist 
where rownumb<=2
order by groupname ,  age desc, person;

I tried similar query on a table having 5 millions rows and it returns result in less than 3 seconds

No, there is not, for starters, it is impossible to have an array with elements sharing the same key

$x =array(); 
$x['foo'] = 'bar' ; 
$x['foo'] = 'baz' ; #replaces 'bar'

Secondarily, if you wish to merely prefix the numbers so that

$x[0] --> $x['foo_0']  

That is computationally implausible to do without looping. No php functions presently exist for the task of "key-prefixing", and the closest thing is "extract" which will prefix numeric keys prior to making them variables.

The very simplest way is this:

function rekey( $input , $prefix ) { 
    $out = array(); 
    foreach( $input as $i => $v ) { 
        if ( is_numeric( $i ) ) { 
            $out[$prefix . $i] = $v; 
            continue; 
        }
        $out[$i] = $v;
    }
    return $out;
}

Additionally, upon reading XMLWriter usage, I believe you would be writing XML in a bad way.

<section> 
    <foo_0></foo_0>
   <foo_1></foo_1>
   <bar></bar>
   <foo_2></foo_2>
</section>

Is not good XML.

<section> 
   <foo></foo>
   <foo></foo>
   <bar></bar>
   <foo></foo>
</section>

Is better XML, because when intrepreted, the names being duplicate don't matter because they're all offset numerically like so:

section => { 
    0 => [ foo , {} ]
    1 => [ foo , {} ]
    2 => [ bar , {} ]
    3 => [ foo , {} ] 
}

Maybe because its 2013-01-29 so +1 month would be 2013-02-29 which doesn't exist so it would be 2013-03-01

You could try

date('m/d/y h:i a',(strtotime('next month',strtotime(date('m/01/y')))));

from the comments on http://php.net/manual/en/function.strtotime.php

If you like using the sklearn package, you can keep the column and index names by using pandas loc like so:

from sklearn.preprocessing import MinMaxScaler

scaler = MinMaxScaler() 
scaled_values = scaler.fit_transform(df) 
df.loc[:,:] = scaled_values

The AllocConsole Windows API function will create a console window for your application.

Java strings are simply an array of char. So, char c = s[0] where s is string.

I had this error when I had the current build configuration in Visual Studio set to something other than Debug.

In Informix, you can use:

RENAME COLUMN TableName.OldName TO NewName;

This was implemented before the SQL standard addressed the issue - if it is addressed in the SQL standard. My copy of the SQL 9075:2003 standard does not show it as being standard (amongst other things, RENAME is not one of the keywords). I don't know whether it is actually in SQL 9075:2008.

If you'll go through these steps:

1. In the Terminal type brew install jmeter and hit Enter
2. When it'll be done type jmeter and hit Enter again

You won't have to solve any kind of issue. Don't thank

Old way:

SELECT DATE_COLUMN + 1 is adding a day
SELECT DATE_COLUMN + N /24 to add hour(s) - N being number of hours
SELECT DATE_COLUMN + N /1440 to add minute(s) - N being number of minutes
SELECT DATE_COLUMN + N /86400 to add second(s) - N being number of seconds

Using INTERVAL:

SELECT DATE_COLUMN + INTERVAL 'N' HOUR or MINUTE or SECOND - N being a number of hours or minutes or seconds.

32-bit

%windir%\Microsoft.NET\Framework\[version]\config\machine.config

64-bit

%windir%\Microsoft.NET\Framework64\[version]\config\machine.config 

[version] should be equal to v1.0.3705, v1.1.4322, v2.0.50727 or v4.0.30319.

v3.0 and v3.5 just contain additional assemblies to v2.0.50727 so there should be no config\machine.config. v4.5.x and v4.6.x are stored inside v4.0.30319.

You can call the single method with a predicate:

var portCode = Database.DischargePorts
                   .Single(p => p.PortName.Contains("BALTIMORE"))
                   .PortCode;

Just had the same problem myself.

What happens is, that even if you drop the database, innodb will still not release disk space. I had to export, stop mysql, remove the files manually, start mysql, create database and users, and then import. Thank god I only had 200MB worth of rows, but it spared 250GB of innodb file.

Fail by design.

// you can get current date/time with the following code:

    NSDate* date = [NSDate date];
    NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
    NSTimeZone *destinationTimeZone = [NSTimeZone systemTimeZone];
    formatter.timeZone = destinationTimeZone;
    [formatter setDateStyle:NSDateFormatterLongStyle];
    [formatter setDateFormat:@"MM/dd/yyyy hh:mma"];
    NSString* dateString = [formatter stringFromDate:date];

Java

class Hello{
   public static void main(String [] args){
    System.out.println("Hello Shahid");
   }
}

manifest.mf

Manifest-version: 1.0
Main-Class: Hello

On command Line:

$ jar cfm HelloMss.jar  manifest.mf Hello.class 
$ java -jar HelloMss.jar

Output:

Hello Shahid

Without going into tech stack implementation details, architecturally speaking there are at least two solutions to N + 1 Problem:

• Have Only 1 - big query - with Joins. This makes a lot of information be transported from the database to the application layer, especially if there are multiple child records. The typical result of a database is a set of rows, not graph of objects (there are solutions to that with different DB systems)
• Have Two(or more for more children needed to be joined) Queries - 1 for the parent and after you have them - query by IDs the children and map them. This will minimize data transfer between the DB and APP layers.

For a side-by-side visual representation, I use git difftool with openDiff set to the default viewer.

Example usage:

git difftool tags/<FIRST TAG> tags/<SECOND TAG>

If you are only interested in a specific file, you can use:

git difftool tags/<FIRST TAG>:<FILE PATH> tags/<SECOND TAG>:<FILE PATH>

As a side-note, the tags/<TAG>s can be replaced with <BRANCH>es if you are interested in diffing branches.

Try this instead:

var body = $("body, html");
var top = body.scrollTop() // Get position of the body
if(top!=0)
{
       body.animate({scrollTop :0}, 500,function(){
         //DO SOMETHING AFTER SCROLL ANIMATION COMPLETED
          alert('Hello');
      });
}

Try this,

$('td').click(function(){
   var row_index = $(this).parent().index();
   var col_index = $(this).index();
});

If you need the index of table contain td then you can change it to

var row_index = $(this).parent('table').index(); 

Here is my implementation for calculating the week number in JavaScript. corrected for summer and winter time offsets as well. I used the definition of the week from this article: ISO 8601

Weeks are from mondays to sunday, and january 4th is always in the first week of the year.

// add get week prototype functions
// weeks always start from monday to sunday
// january 4th is always in the first week of the year
Date.prototype.getWeek = function () {
    year = this.getFullYear();
    var currentDotw = this.getWeekDay();
    if (this.getMonth() == 11 && this.getDate() - currentDotw > 28) {
        // if true, the week is part of next year 
        return this.getWeekForYear(year + 1);
    }
    if (this.getMonth() == 0 && this.getDate() + 6 - currentDotw < 4) {
        // if true, the week is part of previous year
        return this.getWeekForYear(year - 1);
    }
    return this.getWeekForYear(year);
}

// returns a zero based day, where monday = 0
// all weeks start with monday
Date.prototype.getWeekDay = function () {
    return  (this.getDay() + 6) % 7;
}

// corrected for summer/winter time
Date.prototype.getWeekForYear = function (year) {
    var currentDotw = this.getWeekDay();
    var fourjan = new Date(year, 0, 4);
    var firstDotw = fourjan.getWeekDay();
    var dayTotal = this.getDaysDifferenceCorrected(fourjan) // the difference in days between the two dates.
    // correct for the days of the week
    dayTotal += firstDotw; // the difference between the current date and the first monday of the first week, 
    dayTotal -= currentDotw; // the difference between the first monday and the current week's monday
    // day total should be a multiple of 7 now
    var weeknumber = dayTotal / 7 + 1; // add one since it gives a zero based week number.
    return weeknumber;
}

// corrected for timezones and offset
Date.prototype.getDaysDifferenceCorrected = function (other) {
    var millisecondsDifference = (this - other);
    // correct for offset difference. offsets are in minutes, the difference is in milliseconds
    millisecondsDifference += (other.getTimezoneOffset()- this.getTimezoneOffset()) * 60000;
    // return day total. 1 day is 86400000 milliseconds, floor the value to return only full days
    return Math.floor(millisecondsDifference / 86400000);
}

for testing i used the following JavaScript tests in Qunit

var runweekcompare = function(result, expected) {
    equal(result, expected,'Week nr expected value: ' + expected + ' Actual value: ' + result);
}

test('first week number test', function () {
    expect(5);
    var temp = new Date(2016, 0, 4); // is the monday of the first week of the year
    runweekcompare(temp.getWeek(), 1);
    var temp = new Date(2016, 0, 4, 23, 50); // is the monday of the first week of the year
    runweekcompare(temp.getWeek(), 1);
    var temp = new Date(2016, 0, 10, 23, 50); // is the sunday of the first week of the year
    runweekcompare(temp.getWeek(), 1);
    var temp = new Date(2016, 0, 11, 23, 50); // is the second week of the year
    runweekcompare(temp.getWeek(), 2);
    var temp = new Date(2016, 1, 29, 23, 50); // is the 9th week of the year
    runweekcompare(temp.getWeek(), 9);
});

test('first day is part of last years last week', function () {
    expect(2);
    var temp = new Date(2016, 0, 1, 23, 50); // is the first last week of the previous year
    runweekcompare(temp.getWeek(), 53);
    var temp = new Date(2011, 0, 2, 23, 50); // is the first last week of the previous year
    runweekcompare(temp.getWeek(), 52);
});

test('last  day is part of next years first week', function () {
    var temp = new Date(2013, 11, 30); // is part of the first week of 2014
    runweekcompare(temp.getWeek(), 1);
});

test('summer winter time change', function () {
    expect(2);
    var temp = new Date(2000, 2, 26); 
    runweekcompare(temp.getWeek(), 12);
    var temp = new Date(2000, 2, 27); 
    runweekcompare(temp.getWeek(), 13);
});

test('full 20 year test', function () {
    //expect(20 * 12 * 28 * 2);
    for (i = 2000; i < 2020; i++) {
        for (month = 0; month < 12; month++) {
            for (day = 1; day < 29 ; day++) {
                var temp = new Date(i, month, day);
                var expectedweek = temp.getWeek();
                var temp2 = new Date(i, month, day, 23, 50);
                var resultweek = temp.getWeek();
                equal(expectedweek, Math.round(expectedweek), 'week number whole number expected ' + Math.round(expectedweek) + ' resulted week nr ' + expectedweek);
                equal(resultweek, expectedweek, 'Week nr expected value: ' + expectedweek + ' Actual value: ' + resultweek + ' for year ' + i + ' month ' + month + ' day ' + day);
            }
        }
    }
});

same as @Moo-Juice:

const char* args[] = {"01", "02", "03", "04"};
std::vector<std::string> v(args, args + sizeof(args)/sizeof(args[0])); //get array size

You got half of the answer! Now that you created the event handler, you need to hook it to the form so that it actually gets called when the form is loading. You can achieve that by doing the following:

 public class ProgramViwer : Form{
  public ProgramViwer()
  {
       InitializeComponent();
       Load += new EventHandler(ProgramViwer_Load);
  }
  private void ProgramViwer_Load(object sender, System.EventArgs e)
  {
       formPanel.Controls.Clear();
       formPanel.Controls.Add(wel);
  }
}

First off, when you create a "bare repository", you're not going to be doing any work with it (it doesn't contain a working copy, so the git branch command is not useful).

Now, the reason you wouldn't have a master branch even after doing a git init is that there are no commits: when you create your first commit, you will then have a master branch.

Solution for Mac

Reason: Eclipse is copied from one location to another.

Solution: Need to update path(s) in eclipse.ini. My eclipse.ini was found in /Applications/eclipse/Eclipse.app/Contents/MacOS/eclipse.ini.

We need to update the path for plugins\org.eclipse.equinox.launcher_1.0.100.v20080509-1800.jar.

I think using an abstract class is more elegant, like this:

// Something.java

public abstract class Something {   
    public abstract void test();        
    public void usingCallback() {
        System.out.println("This is before callback method");
        test();
        System.out.println("This is after callback method");
    }
}

// CallbackTest.java

public class CallbackTest extends Something {
    @Override
    public void test() {
        System.out.println("This is inside CallbackTest!");
    }

    public static void main(String[] args) {
        CallbackTest myTest = new CallbackTest();
        myTest.usingCallback();
    }    
}

/*
Output:
This is before callback method
This is inside CallbackTest!
This is after callback method
*/

From the docs:

_trackTrans() Sends both the transaction and item data to the Google Analytics server. This method should be called after _trackPageview(), and used in conjunction with the _addItem() and addTrans() methods. It should be called after items and transaction elements have been set up.

So, according to the docs, the items get sent when you call trackTrans(). Until you do, you can add items, but the transaction will not be sent.

Edit: Further reading led me here:

http://www.analyticsmarket.com/blog/edit-ecommerce-data

Where it clearly says you can start another transaction with an existing ID. When you commit it, the new items you listed will be added to that transaction.

It was giving Illegal Exception.

My workaround with code:

public void dofirst(){
    System.setProperty("webdriver.chrome.driver","D:\\Softwares\\selenium\\chromedriver_win32\\chromedriver.exe");
    WebDriver driver = new ChromeDriver();
    driver.get("http://www.facebook.com");
}

What's the question here?

Modern DBMS SQL2008 have a variety of ways of dealing with BLOBs which aren't just sticking in them in a table. There are pros and cons, of course, and you might need to think about it a little deeper.

This is an interesting paper, by the late (?) Jim Gray

To BLOB or Not To BLOB: Large Object Storage in a Database or a Filesystem

So far I've seen the right answer alluded to repeatedly, and almost everyone has come shy of what I consider subjectively to be the mark.

Let's start with the basics:

An HTTP request can be any of the HTTP verbs, but the two that people use most are GET and POST. Well, those are the two a programmer uses most frequently. The others all have some purpose, if they're implemented on the server. When you send information to the server, you can do so either through the use of the URL (to request a page) or within the body of the request (POST, PUT, DELETE, for instance).

Now you'll remark (I'm sure) that the URL in a GET request often contains data, and this is true, but according to W3C, you should not use GET to alter state, and yet we do often. It's sort of a hack that we all agree is an actual use, and not a hack. Whether that makes it a hack or an actual implementation detail I leave up to you.

So when you send the body of the POST (skipping the others for now, you can figure it out from here) with the form elements, you're sending back certain elements. How those elements are defined is up to you and to the environment you're working in. You could post to a server with a JSON element in the body, or with XML, or with form fields. Generally we do posts from a FORM element in the body of the HTML.

Now everyone says, "oh, a postback is a subsequent request to a page." But, that's not true. A postback is when you send data via POST -> back to the server. I say this because the difference between a GET request and a POST request is if data is included in the body (and the verb used, but the client usually knows how to deal with that). You could postback to the page on the first time the page is visited, and in fact ASP.NET has tools for doing that in the library. You could certainly have a desktop client POST data to a server (think Twitter) without showing any webpage at all from the server (ok, so twitter is probably not the best concept to use for an example here, but I want to illustrate that you can use a client that doesn't show the webpage, so no request is necessary).

So really what you should read there in "postback" is "I'm POSTing data BACK to the server for processing". It's presumed that you retrieved the page initially with a GET to show the user the <form> element that has <input> fields for them to interact with, and that at the end you're sending data back. But I hope you can see that it doesn't have to be in that order.

So here's something else to consider:

What if you gave the user a page with a bunch of <input>s and no <form> but instead, had a button wired up in javascript to concat all those <input>s with &value-n= and send them as a GET? Does the same thing, but violates that concept of only using GET for requests. (possibly) ensuing discussion encourages me to reinforce that GET should have no side effects (no updating values)

It's how come you can send someone a link to a google search, for instance. So we don't ALWAYS have to POST BACK to the server to get data.

Hope this helps. Cheers

I hope this will help reloading/refreshing directive on value from parent scope

<html>

        <head>
            <!-- version 1.4.5 -->
            <script src="angular.js"></script>
        </head>

        <body ng-app="app" ng-controller="Ctrl">

            <my-test reload-on="update"></my-test><br>
            <button ng-click="update = update+1;">update {{update}}</button>
        </body>
        <script>
            var app = angular.module('app', [])
            app.controller('Ctrl', function($scope) {

                $scope.update = 0;
            });
            app.directive('myTest', function() {
                return {
                    restrict: 'AE',
                    scope: {
                        reloadOn: '='
                    },
                    controller: function($scope) {
                        $scope.$watch('reloadOn', function(newVal, oldVal) {
                            //  all directive code here
                            console.log("Reloaded successfully......" + $scope.reloadOn);
                        });
                    },
                    template: '<span>  {{reloadOn}} </span>'
                }
            });
        </script>


   </html>

First and foremost, you should consider calling MimeTypeMap#getMimeTypeFromExtension(), like this:

// url = file path or whatever suitable URL you want.
public static String getMimeType(String url) {
    String type = null;
    String extension = MimeTypeMap.getFileExtensionFromUrl(url);
    if (extension != null) {
        type = MimeTypeMap.getSingleton().getMimeTypeFromExtension(extension);
    }
    return type;
}

I read all answers and I think those enough, specially @Michael articles with slow hashing and @CodesInChaos good comments, but I decided to share my code snippet for hashing/validating that may be useful and it does not require [Microsoft.AspNet.Cryptography.KeyDerivation].

    private static bool SlowEquals(byte[] a, byte[] b)
            {
                uint diff = (uint)a.Length ^ (uint)b.Length;
                for (int i = 0; i < a.Length && i < b.Length; i++)
                    diff |= (uint)(a[i] ^ b[i]);
                return diff == 0;
            }

    private static byte[] PBKDF2(string password, byte[] salt, int iterations, int outputBytes)
            {
                Rfc2898DeriveBytes pbkdf2 = new Rfc2898DeriveBytes(password, salt);
                pbkdf2.IterationCount = iterations;
                return pbkdf2.GetBytes(outputBytes);
            }

    private static string CreateHash(string value, int salt_bytes, int hash_bytes, int pbkdf2_iterations)
            {
                // Generate a random salt
                RNGCryptoServiceProvider csprng = new RNGCryptoServiceProvider();
                byte[] salt = new byte[salt_bytes];
                csprng.GetBytes(salt);

                // Hash the value and encode the parameters
                byte[] hash = PBKDF2(value, salt, pbkdf2_iterations, hash_bytes);

                //You need to return the salt value too for the validation process
                return Convert.ToBase64String(hash) + ":" + 
                       Convert.ToBase64String(hash);
            }

    private static bool ValidateHash(string pureVal, string saltVal, string hashVal, int pbkdf2_iterations)
            {
                try
                {
                    byte[] salt = Convert.FromBase64String(saltVal);
                    byte[] hash = Convert.FromBase64String(hashVal);

                    byte[] testHash = PBKDF2(pureVal, salt, pbkdf2_iterations, hash.Length);
                    return SlowEquals(hash, testHash);
                }
                catch (Exception ex)
                {
                    return false;
                }
            }

Please pay attention SlowEquals function that is so important, Finally, I hope this help and Please don't hesitate to advise me about better approaches.

If you installed visual studio with Xamarin/mobile development support, you'll have a java install here C:\Program Files\Android\jdk\microsoft_dist_openjdk_{version}\bin\, as was my case.

In older versions of jquery you'll have to do it the "javascript way" using settimeout

setTimeout( function(){$('div').hide();} , 4000);

or

setTimeout( "$('div').hide();", 4000);

Recently with jquery 1.4 this solution has been added:

$("div").delay(4000).hide();

Of course replace "div" by the correct element using a valid jquery selector and call the function when the document is ready.

As of swift 3, I have to force my #%@! string & int with a "!" otherwise it just doesn't work.

For example:

let prefs = UserDefaults.standard
var counter: String!
counter = prefs.string(forKey:"counter")
print("counter: \(counter!)")


var counterInt = Int(counter!)
counterInt = counterInt! + 1
print("counterInt: \(counterInt!)")

OUTPUT:
counter: 1
counterInt: 2

This is now possible as of TFS 2015 by using the Code Search plugin. https://marketplace.visualstudio.com/items?itemName=ms.vss-code-search

The search is done via the web interface, and does not require you to download the code to your local machine which is nice.

If you use multiple input fields you can set name="file[]" (or any other name). That will put them in an array when you upload them ($_FILES['file'] = array ({file_array},{file_array]..))

Updated code:

This is purported to work officially.

#if TARGET_IPHONE_SIMULATOR
NSString *hello = @"Hello, iPhone simulator!";
#elif TARGET_OS_IPHONE
NSString *hello = @"Hello, device!";
#else
NSString *hello = @"Hello, unknown target!";
#endif

Original post (since deprecated)

This code will tell you if you are running in a simulator.

#ifdef __i386__
NSLog(@"Running in the simulator");
#else
NSLog(@"Running on a device");
#endif

iOS 10 update

The ban on autoplay has been lifted as of iOS 10 - but with some restrictions (e.g. A can be autoplayed if there is no audio track).

To see a full list of these restrictions, see the official docs: https://webkit.org/blog/6784/new-video-policies-for-ios/

iOS 9 and before

As of iOS 6.1, it is no longer possible to auto-play videos on the iPad.

My assumption as to why they've disabled the auto-play feature?

Well, as many device owners have data usage/bandwidth limits on their devices, I think Apple felt that the user themselves should decide when they initiate bandwidth usage.

After a bit of research I found the following extract in the Apple documentation in regard to auto-play on iOS devices to confirm my assumption:

"Apple has made the decision to disable the automatic playing of video on iOS devices, through both script and attribute implementations.

In Safari, on iOS (for all devices, including iPad), where the user may be on a cellular network and be charged per data unit, preload and auto-play are disabled. No data is loaded until the user initiates it." - Apple documentation.

Here is a separate warning featured on the Safari HTML5 Reference page about why embedded media cannot be played in Safari on iOS:

Warning: To prevent unsolicited downloads over cellular networks at the user’s expense, embedded media cannot be played automatically in Safari on iOS—the user always initiates playback. A controller is automatically supplied on iPhone or iPod touch once playback in initiated, but for iPad you must either set the controls attribute or provide a controller using JavaScript.

What this means (in terms of code) is that Javascript's play() and load() methods are inactive until the user initiates playback, unless the play() or load() method is triggered by user action (e.g. a click event).

Basically, a user-initiated play button works, but an onLoad="play()" event does not.

For example, this would play the movie:

<input type="button" value="Play" onclick="document.myMovie.play()">

Whereas the following would do nothing on iOS:

<body onload="document.myMovie.play()">

The class DailyRollingFileAppender uses the DatePattern option to specify the rolling schedule. This pattern should follow the SimpleDateFormat conventions from Std. Ed. v1.4.2. So, we have to use E option (Day in week). For example:

<param name="DatePattern" value="'.'EEE"/>

See more about DailyRollingFileAppender class from log4j javadoc here. Unfortunately the Java 1.4.2 documentation is no longer online, but you can download a copy here.

yes, something like this would do it, might not be the best though, you might wanna make a backup

$get_query = mysql_query("SELECT `any_field` FROM `your_table`");

$auto_increment_id = 1;

while($row = mysql_fetch_assoc($get_query))
{
  $update_query = mysql_query("UPDATE `your_table` SET `auto_increment_id`=$auto_increment_id WHERE `any_field` = '".$row['any_field']."'");
  $auto_increment_id++;
}

notice that the the any_field you select must be the same when updating.

I've developed an almost flawless try & catch implementation in bash, that allows you to write code like:

try 
    echo 'Hello'
    false
    echo 'This will not be displayed'

catch 
    echo "Error in $__EXCEPTION_SOURCE__ at line: $__EXCEPTION_LINE__!"

You can even nest the try-catch blocks inside themselves!

try {
    echo 'Hello'

    try {
        echo 'Nested Hello'
        false
        echo 'This will not execute'
    } catch {
        echo "Nested Caught (@ $__EXCEPTION_LINE__)"
    }

    false
    echo 'This will not execute too'

} catch {
    echo "Error in $__EXCEPTION_SOURCE__ at line: $__EXCEPTION_LINE__!"
}

The code is a part of my bash boilerplate/framework. It further extends the idea of try & catch with things like error handling with backtrace and exceptions (plus some other nice features).

Here's the code that's responsible just for try & catch:

set -o pipefail
shopt -s expand_aliases
declare -ig __oo__insideTryCatch=0

# if try-catch is nested, then set +e before so the parent handler doesn't catch us
alias try="[[ \$__oo__insideTryCatch -gt 0 ]] && set +e;
           __oo__insideTryCatch+=1; ( set -e;
           trap \"Exception.Capture \${LINENO}; \" ERR;"
alias catch=" ); Exception.Extract \$? || "

Exception.Capture() {
    local script="${BASH_SOURCE[1]#./}"

    if [[ ! -f /tmp/stored_exception_source ]]; then
        echo "$script" > /tmp/stored_exception_source
    fi
    if [[ ! -f /tmp/stored_exception_line ]]; then
        echo "$1" > /tmp/stored_exception_line
    fi
    return 0
}

Exception.Extract() {
    if [[ $__oo__insideTryCatch -gt 1 ]]
    then
        set -e
    fi

    __oo__insideTryCatch+=-1

    __EXCEPTION_CATCH__=( $(Exception.GetLastException) )

    local retVal=$1
    if [[ $retVal -gt 0 ]]
    then
        # BACKWARDS COMPATIBILE WAY:
        # export __EXCEPTION_SOURCE__="${__EXCEPTION_CATCH__[(${#__EXCEPTION_CATCH__[@]}-1)]}"
        # export __EXCEPTION_LINE__="${__EXCEPTION_CATCH__[(${#__EXCEPTION_CATCH__[@]}-2)]}"
        export __EXCEPTION_SOURCE__="${__EXCEPTION_CATCH__[-1]}"
        export __EXCEPTION_LINE__="${__EXCEPTION_CATCH__[-2]}"
        export __EXCEPTION__="${__EXCEPTION_CATCH__[@]:0:(${#__EXCEPTION_CATCH__[@]} - 2)}"
        return 1 # so that we may continue with a "catch"
    fi
}

Exception.GetLastException() {
    if [[ -f /tmp/stored_exception ]] && [[ -f /tmp/stored_exception_line ]] && [[ -f /tmp/stored_exception_source ]]
    then
        cat /tmp/stored_exception
        cat /tmp/stored_exception_line
        cat /tmp/stored_exception_source
    else
        echo -e " \n${BASH_LINENO[1]}\n${BASH_SOURCE[2]#./}"
    fi

    rm -f /tmp/stored_exception /tmp/stored_exception_line /tmp/stored_exception_source
    return 0
}

Feel free to use, fork and contribute - it's on GitHub.

You can't. Things in double-quotes in Java are specially recognised by the compiler as Strings, and unfortunately you can't override this (or extend java.lang.String - it's declared final).

The limit for the length of a command line is not imposed by the shell, but by the operating system. This limit is usually in the range of hundred kilobytes. POSIX denotes this limit ARG_MAX and on POSIX conformant systems you can query it with

$ getconf ARG_MAX    # Get argument limit in bytes

E.g. on Cygwin this is 32000, and on the different BSDs and Linux systems I use it is anywhere from 131072 to 2621440.

If you need to process a list of files exceeding this limit, you might want to look at the xargs utility, which calls a program repeatedly with a subset of arguments not exceeding ARG_MAX.

To answer your specific question, yes, it is possible to attempt to run a command with too long an argument list. The shell will error with a message along "argument list too long".

Note that the input to a program (as read on stdin or any other file descriptor) is not limited (only by available program resources). So if your shell script reads a string into a variable, you are not restricted by ARG_MAX. The restriction also does not apply to shell-builtins.

This is the default code given to save a video captured by camera

import numpy as np
import cv2

cap = cv2.VideoCapture(0)

# Define the codec and create VideoWriter object
fourcc = cv2.VideoWriter_fourcc(*'XVID')
out = cv2.VideoWriter('output.avi',fourcc, 20.0, (640,480))

while(cap.isOpened()):
    ret, frame = cap.read()
    if ret==True:
        frame = cv2.flip(frame,0)

        # write the flipped frame
        out.write(frame)

        cv2.imshow('frame',frame)
        if cv2.waitKey(1) & 0xFF == ord('q'):
            break
    else:
        break

# Release everything if job is finished
cap.release()
out.release()
cv2.destroyAllWindows()

For about two minutes of a clip captured that FULL HD

Using

cap = cv2.VideoCapture(0,cv2.CAP_DSHOW)
cap.set(3,1920)
cap.set(4,1080)
out = cv2.VideoWriter('output.avi',fourcc, 20.0, (1920,1080))

The file saved was more than 150MB

Then had to use ffmpeg to reduce the size of the file saved, between 30MB to 60MB based on the quality of the video that is required changed using crf lower the crf better the quality of the video and larger the file size generated. You can also change the format avi,mp4,mkv,etc

Then i found ffmpeg-python

Here a code to save numpy array of each frame as video using ffmpeg-python

import numpy as np
import cv2
import ffmpeg

def save_video(cap,saving_file_name,fps=33.0):

    while cap.isOpened():
        ret, frame = cap.read()
        if ret:
            i_width,i_height = frame.shape[1],frame.shape[0]
            break

    process = (
    ffmpeg
        .input('pipe:',format='rawvideo', pix_fmt='rgb24',s='{}x{}'.format(i_width,i_height))
        .output(saved_video_file_name,pix_fmt='yuv420p',vcodec='libx264',r=fps,crf=37)
        .overwrite_output()
        .run_async(pipe_stdin=True)
    )

    return process

if __name__=='__main__':

    cap = cv2.VideoCapture(0,cv2.CAP_DSHOW)
    cap.set(3,1920)
    cap.set(4,1080)
    saved_video_file_name = 'output.avi'
    process = save_video(cap,saved_video_file_name)

    while(cap.isOpened()):
        ret, frame = cap.read()
        if ret==True:
            frame = cv2.flip(frame,0)
            process.stdin.write(
                cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
                    .astype(np.uint8)
                    .tobytes()
                    )

            cv2.imshow('frame',frame)
            if cv2.waitKey(1) & 0xFF == ord('q'):
                process.stdin.close()
                process.wait()
                cap.release()
                cv2.destroyAllWindows()
                break
        else:
            process.stdin.close()
            process.wait()
            cap.release()
            cv2.destroyAllWindows()
            break

In css add this to the element:

margin-top: -15px; /*for exact positioning */
margin-top: -5%; /* for relative positioning */

you can use either one to position accordingly.

There are several tools for converting Matlab to Python code.

The only one that's seen recent activity (last commit from June 2018) is Small Matlab to Python compiler (also developed here: SMOP@chiselapp).

Other options include:

• LiberMate: translate from Matlab to Python and SciPy (Requires Python 2, last update 4 years ago).
• OMPC: Matlab to Python (a bit outdated).

Also, for those interested in an interface between the two languages and not conversion:

• pymatlab: communicate from Python by sending data to the MATLAB workspace, operating on them with scripts and pulling back the resulting data.
• Python-Matlab wormholes: both directions of interaction supported.
• Python-Matlab bridge: use Matlab from within Python, offers matlab_magic for iPython, to execute normal matlab code from within ipython.
• PyMat: Control Matlab session from Python.
• pymat2: continuation of the seemingly abandoned PyMat.
• mlabwrap, mlabwrap-purepy: make Matlab look like Python library (based on PyMat).
• oct2py: run GNU Octave commands from within Python.
• pymex: Embeds the Python Interpreter in Matlab, also on File Exchange.
• matpy: Access MATLAB in various ways: create variables, access .mat files, direct interface to MATLAB engine (requires MATLAB be installed).
• MatPy: Python package for numerical linear algebra and plotting with a MatLab-like interface.

Btw might be helpful to look here for other migration tips:

• http://bci2000.org/downloads/BCPy2000/Migration.html

On a different note, though I'm not a fortran fan at all, for people who might find it useful there is:

• matlab2fortran

FYI this turned out to be an issue for me where I had two tables in a statement like the following:

SELECT * FROM table1
UNION ALL
SELECT * FROM table2

It worked, but then somewhere along the line the order of columns in one of the table definitions got changed. Changing the * to SELECT column1, column2 fixed the issue. No idea how that happened, but lesson learned!

Ok you can use this simply

-webkit-text-stroke-width: .7px;
-webkit-text-stroke-color: #34343b;
-webkit-font-smoothing:antialiased;

Make sure your text color and upper text-stroke-width must me same and that's it.

if you use the "global" command, you can repeat what you can do on one online an any number of lines.

:g/<search>/.<your ex command>

example:

:g/foo/.s/bar/baz/g

The above command finds all lines that have foo, and replace all occurrences of bar on that line with baz.

:g/.*/

will do on every line

You should not rely on a hard coded build dir name in your script, so the line with ../Compile must be changed.

It's because it should be up to user where to compile.

Instead of that use one of predefined variables: http://www.cmake.org/Wiki/CMake_Useful_Variables (look for CMAKE_BINARY_DIR and CMAKE_CURRENT_BINARY_DIR)

I often use many arguments to console.log() and console.error(), so my solution would be:

var fs = require('fs');
var util = require('util');
var logFile = fs.createWriteStream('log.txt', { flags: 'a' });
  // Or 'w' to truncate the file every time the process starts.
var logStdout = process.stdout;

console.log = function () {
  logFile.write(util.format.apply(null, arguments) + '\n');
  logStdout.write(util.format.apply(null, arguments) + '\n');
}
console.error = console.log;

Try this:

bitmap.compress(Bitmap.CompressFormat.PNG, quality, outStream);

See this

Same here, apparently my /usr/local folder was world writable so I made it 755

# chmod 755 /usr/local

It also appeared that a Hauwei mobile dongle I had used had installed world writeable directories in /usr/local as well

Old Question, but still, if it might help someone, here is complete sample

<form id="form1" runat="server">
    <div>
        <asp:FileUpload ID="FileUpload1" runat="server" /><br/>
        <asp:Button ID="Button1" runat="server" Text="Upload File" OnClick="UploadFile" /><br/>
        <asp:Label ID="Label1" runat="server" Text=""></asp:Label>
    </div>
</form>

In your Code-behind, C# code to grab file and save it in Directory

protected void UploadFile(object sender, EventArgs e)
    {
        //folder path to save uploaded file
        string folderPath = Server.MapPath("~/Upload/");

        //Check whether Directory (Folder) exists, although we have created, if it si not created this code will check
        if (!Directory.Exists(folderPath))
        {
            //If folder does not exists. Create it.
            Directory.CreateDirectory(folderPath);
        }

       //save file in the specified folder and path
        FileUpload1.SaveAs(folderPath + Path.GetFileName(FileUpload1.FileName));

        //once file is uploaded show message to user in label control
        Label1.Text = Path.GetFileName(FileUpload1.FileName) + " has been uploaded.";
    }

Source: File Upload in ASP.NET (Web-Forms Upload control example)

Try moving <uses-permission> outside the <application> tag.

To set focus,

Private Sub Form1_Load(ByVal sender As System.Object, ByVal e As System.EventArgs)
    TextBox1.Focus()
End Sub

Set the TabIndex by

Me.TextBox1.TabIndex = 0

If you are using the SQL Expression Style approach there is another way to construct the count statement if you already have your table object.

Preparations to get the table object. There are also different ways.

import sqlalchemy

database_engine = sqlalchemy.create_engine("connection string")

# Populate existing database via reflection into sqlalchemy objects
database_metadata = sqlalchemy.MetaData()
database_metadata.reflect(bind=database_engine)

table_object = database_metadata.tables.get("table_name") # This is just for illustration how to get the table_object                    

Issuing the count query on the table_object

query = table_object.count()
# This will produce something like, where id is a primary key column in "table_name" automatically selected by sqlalchemy
# 'SELECT count(table_name.id) AS tbl_row_count FROM table_name'

count_result = database_engine.scalar(query)

Convert with JavaScript using .toLowerCase() and capitalize would do the rest.

I had to split a list for feature extraction in two parts lt,lc:

ltexts = ((df4.ix[0:,[3,7]]).values).tolist()
random.shuffle(ltexts)

featsets = [(act_features((lt)),lc) 
              for lc, lt in ltexts]

def act_features(atext):
  features = {}
  for word in nltk.word_tokenize(atext):
     features['cont({})'.format(word.lower())]=True
  return features

I had success using .on() like so:

$('.leadtoscore').on('click', {event_type: 'shot'}, add_event);

Then inside the add_event function you get access to 'shot' like this:

event.data.event_type

See the .on() documentation for more info, where they provide the following example:

function myHandler( event ) {
  alert( event.data.foo );
}
$( "p" ).on( "click", { foo: "bar" }, myHandler );

I have found that the best place is in NgAfterViewChecked(). I tried to execute code that would scroll to an ng-accordion panel when the page was loaded. I tried putting the code in NgAfterViewInit() but it did not work there (NPE). The problem was that the element had not been rendered yet. There is a problem with putting it in NgAfterViewChecked(). NgAfterViewChecked() is called several times as the page is rendered. Some calls are made before the element is rendered. This means a check for null may be required to guard the code from NPE. I am using Angular 8.

var array = searchTerms.split(",");

for (var i in array){
     alert(array[i]);
}

"Easiest" way (bash4 only): ls * 2>&- 1>&-.

if you want to connect to container and install something
using apt-get
first as above answer from our brother "Tomáš Záluský"

docker exec -u root -t -i container_id /bin/bash

then try to

RUN apt-get update or apt-get 'anything you want'

it worked with me hope it's useful for all

Here is the simple example which you can use for initial learning:

import java.util.Comparator;
import java.util.PriorityQueue;
import java.util.Queue;
import java.util.Random;

public class PQExample {

    public static void main(String[] args) {
        //PriorityQueue with Comparator
        Queue<Customer> cpq = new PriorityQueue<>(7, idComp);
        addToQueue(cpq);
        pollFromQueue(cpq);
    }

    public static Comparator<Customer> idComp = new Comparator<Customer>(){

        @Override
        public int compare(Customer o1, Customer o2) {
            return (int) (o1.getId() - o2.getId());
        }

    };

    //utility method to add random data to Queue
    private static void addToQueue(Queue<Customer> cq){
        Random rand = new Random();
        for(int i=0;i<7;i++){
            int id = rand.nextInt(100);
            cq.add(new Customer(id, "KV"+id));
        }
    }


    private static void pollFromQueue(Queue<Customer> cq){
        while(true){
            Customer c = cq.poll();
            if(c == null) break;
            System.out.println("Customer Polled : "+c.getId() + " "+ c.getName());
        }
    }

}

The example you are using is wrong. See the man page for easy_setopt. In the example write_data uses its own FILE, *outfile, and not the fp that was specified in CURLOPT_WRITEDATA. That's why closing fp causes problems - it's not even opened.

This is more or less what it should look like (no libcurl available here to test)

#include <stdio.h>
#include <curl/curl.h>
/* For older cURL versions you will also need 
#include <curl/types.h>
#include <curl/easy.h>
*/
#include <string>

size_t write_data(void *ptr, size_t size, size_t nmemb, FILE *stream) {
    size_t written = fwrite(ptr, size, nmemb, stream);
    return written;
}

int main(void) {
    CURL *curl;
    FILE *fp;
    CURLcode res;
    char *url = "http://localhost/aaa.txt";
    char outfilename[FILENAME_MAX] = "C:\\bbb.txt";
    curl = curl_easy_init();
    if (curl) {
        fp = fopen(outfilename,"wb");
        curl_easy_setopt(curl, CURLOPT_URL, url);
        curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
        curl_easy_setopt(curl, CURLOPT_WRITEDATA, fp);
        res = curl_easy_perform(curl);
        /* always cleanup */
        curl_easy_cleanup(curl);
        fclose(fp);
    }
    return 0;
}

Updated: as suggested by @rsethc types.h and easy.h aren't present in current cURL versions anymore.

In 2010 it is Ctrl+k, Ctrl+d. See image below.

In WPF, you use a DispatcherTimer.

System.Windows.Threading.DispatcherTimer dispatcherTimer = new System.Windows.Threading.DispatcherTimer();
dispatcherTimer.Tick += new EventHandler(dispatcherTimer_Tick);
dispatcherTimer.Interval = new TimeSpan(0,5,0);
dispatcherTimer.Start();


private void dispatcherTimer_Tick(object sender, EventArgs e)
{
  // code goes here
}

If nearly everything seems right, another thing to look out for is to ensure that the validation summary is not being explicitly hidden via some CSS override like this:

.validation-summary-valid {
    display: none;
}

This may also cause the @Html.ValidationSummary to appear hidden, as the summary is dynamically rendered with the validation-summary-valid class.

If you have the developer console (JavaScript) in your browser, you can type this code in:

urls = document.querySelectorAll('a'); for (url in urls) console.log(urls[url].href);

Shortened:

n=$$('a');for(u in n)console.log(n[u].href)

I tried a lot of ways and functions that suggested above, but they didn't work in my project. Anyway I have found solution and here it is:

try {
    InputStream path = this.getClass().getClassLoader().getResourceAsStream("img/left-hand.png");
    img = ImageIO.read(path);
} catch (IOException e) {
    e.printStackTrace();
}

All of these answers require grep to generate the entire matching lines, then pipe it to another program. If your lines are very long, it might be more efficient to use just sed to output the line numbers:

sed -n '/pattern/=' filename

Not really, Sorry! But...

Adding begin and end.. with a comment on the begin creates regions which would look like this...bit of hack though!

Otherwise you can only expand and collapse you just can't dictate what should be expanded and collapsed. Not without a third-party tool such as SSMS Tools Pack.

Use transparent borders if possible.

JSFiddle Demo

https://jsfiddle.net/74q3na62/

HTML

<div class="table">
    <div class="row">
        <div class="cell">Cell 1</div>
        <div class="cell">Cell 2</div>
        <div class="cell">Cell 3</div>
    </div>
</div>

CSS

.table {
  display: table;
  border: 1px solid black;
}

.row { display:table-row; }

.cell {
  display: table-cell;
  background-clip: padding-box;
  background-color: gold;
  border-right: 10px solid transparent;
}

.cell:last-child {
  border-right: 0 none;
}

Explanation

You could use the border-spacing property, as the accepted answer suggests, but this not only generates space between the table cells but also between the table cells and the table container. This may be unwanted.

If you don't need visible borders on your table cells you should therefore use transparent borders to generate cell margins. Transparent borders require setting background-clip: padding-box; because otherwise the background color of the table cells is displayed on the border.

Transparent borders and background-clip are supported in IE9 upwards (and all other modern browsers). If you need IE8 compatibility or don't need actual transparent space you can simply set a white border color and leave the background-clip out.

Debian/Ubuntu handles this with a cronjob defined in /etc/cron.d/php5

# /etc/cron.d/php5: crontab fragment for php5
#  This purges session files older than X, where X is defined in seconds
#  as the largest value of session.gc_maxlifetime from all your php.ini
#  files, or 24 minutes if not defined.  See /usr/lib/php5/maxlifetime

# Look for and purge old sessions every 30 minutes
09,39 *     * * *     root   [ -d /var/lib/php5 ] && find /var/lib/php5/ -type f -cmin +$(/usr/lib/php5/maxlifetime) -print0 | xargs -r -0 rm

The maxlifetime script simply returns the number of minutes a session should be kept alive by checking php.ini, it looks like this

#!/bin/sh -e

max=1440

for ini in /etc/php5/*/php.ini; do
        cur=$(sed -n -e 's/^[[:space:]]*session.gc_maxlifetime[[:space:]]*=[[:space:]]*\([0-9]\+\).*$/\1/p' $ini 2>/dev/null || true);
        [ -z "$cur" ] && cur=0
        [ "$cur" -gt "$max" ] && max=$cur
done

echo $(($max/60))

exit 0

Alternate solution

Create a column that will store the month:

data['month'] = data['date'].dt.month

Create a column that will store the year:

data['year'] = data['date'].dt.year

Alexphi's suggestion is good. You can also hard code this by first creating a variable as a Variant and then assigning it to Empty. Then do an if/then with to possibly fill it. If it gets filled, it's not empty, if it doesn't, it remains empty. You check this then with IsEmpty.

Sub TestforEmpty()

    Dim dt As Variant
    dt = Empty

    Dim today As Date
    today = Date
    If today = Date Then
        dt = today
    End If

    If IsEmpty(dt) Then
        MsgBox "It not is today"
    Else
        MsgBox "It is today"
    End If

End Sub

Try it this way:

Dim filePath As String = 
  String.Format("C:\ErrorLog_{0}.txt", DateTime.Today.ToString("dd-MMM-yyyy"))

if File.Exists(filePath) then

Using writer As New StreamWriter(filePath, True)
writer.WriteLine("Error Message in  Occured at-- " & DateTime.Now)

Else
writer.WriteLine("Start Error Log for today")
End Using

end if

I know this is an old question, but if you encounter this problem in MVC 3 then you can decorate your ActionMethod with [ValidateInput(false)] and just switch off request validation for a single ActionMethod, which is handy. And you don't need to make any changes to the web.config file, so you can still use the .NET 4 request validation everywhere else.

e.g.

[ValidateInput(false)]
public ActionMethod Edit(int id, string value)
{
    // Do your own checking of value since it could contain XSS stuff!
    return View();
}

Re: aku, izb, John Topley...

Watch out for mutability issues...

It may seem sensible to omit getters/setters. It actually may be ok in some cases. The real problem with the proposed pattern shown here is mutability.

The problem is once you pass an object reference out containing non-final, public fields. Anything else with that reference is free to modify those fields. You no longer have any control over the state of that object. (Think what would happen if Strings were mutable.)

It gets bad when that object is an important part of the internal state of another, you've just exposed internal implementation. To prevent this, a copy of the object must be returned instead. This works, but can cause massive GC pressure from tons of single-use copies created.

If you have public fields, consider making the class read-only. Add the fields as parameters to the constructor, and mark the fields final. Otherwise make sure you're not exposing internal state, and if you need to construct new instances for a return value, make sure it won't be called excessively.

See: "Effective Java" by Joshua Bloch -- Item #13: Favor Immutability.

PS: Also keep in mind, all JVMs these days will optimize away the getMethod if possible, resulting in just a single field-read instruction.

just trigger a click, it's work for me:

$("#tabX").trigger("click");

As @markE mention in his answer

the alternative is to untranslate & unrotate after drawing

It is much faster than context save and restore.

Here is an example

// translate and rotate
this.context.translate(x,y);
this.context.rotate(radians);
this.context.translate(-x,-y);

this.context.drawImage(...);    

// untranslate and unrotate
this.context.translate(x, y);
this.context.rotate(-radians);
this.context.translate(-x,-y);

[^a-zA-Z0-9] is a character class matches any non-alphanumeric characters.

Alternatively, [^\w\d] does the same thing.

Usage:

string regExp = "[^\w\d]";
string tmp = Regex.Replace(n, regExp, "");

shopt -s nocaseglob

As the other answers said, the function you need is cv2.rectangle(), but keep in mind that the coordinates for the bounding box vertices need to be integers if they are in a tuple, and they need to be in the order of (left, top) and (right, bottom). Or, equivalently, (xmin, ymin) and (xmax, ymax).

I'm posting my solution for the other sleep-deprived souls out there:

If you're using RVM, double-check that you're in the correct folder, using the correct ruby version and gemset. I had an array of terminal tabs open, and one of them was in a different directory. typing "rails console" produced the error because my default rails distro is 2.3.x.

I noticed the error on my part, cd'd to the correct directory, and my .rvmrc file did the rest.

RVM is not like Git. In git, changing branches in one shell changes it everywhere. It's literally rewriting the files in question. RVM, on the other hand, is just setting shell variables, and must be set for each new shell you open.

In case you're not familiar with .rvmrc, you can put a file with that name in any directory, and rvm will pick it up and use the version/gemset specified therein, whenever you change to that directory. Here's a sample .rvmrc file:

rvm use 1.9.2@turtles

This will switch to the latest version of ruby 1.9.2 in your RVM collection, using the gemset "turtles". Now you can open up a hundred tabs in Terminal (as I end up doing) and never worry about the ruby version it's pointing to.

rm -rf was much more performant than FileUtils.deleteDirectory.

After extensive benchmarking, we found that using rm -rf was multiple times faster than using FileUtils.deleteDirectory.

Of course, if you have a small or simple directory, it won't matter but in our case we had multiple gigabytes and deeply nested sub directories where it would take over 10 minutes with FileUtils.deleteDirectory and only 1 minute with rm -rf.

Here's our rough Java implementation to do that:

// Delete directory given and all subdirectories and files (i.e. recursively).
//
static public boolean deleteDirectory( File file ) throws IOException, InterruptedException {

    if ( file.exists() ) {

        String deleteCommand = "rm -rf " + file.getAbsolutePath();
        Runtime runtime = Runtime.getRuntime();

        Process process = runtime.exec( deleteCommand );
        process.waitFor();

        return true;
    }

    return false;

}

Worth trying if you're dealing with large or complex directories.

Maybe, something like

for t in threading.enumerate():
    if t.daemon:
        t.join()

According to @Enno Gröper 's post, I've tried the SSLContext constructor and it works well on my machine. code as below:

import ssl
ctx = ssl.SSLContext(ssl.PROTOCOL_SSLv23)
urllib2.urlopen("https://your-test-server.local", context=ctx)

if you need opener, just added this context like:

opener = urllib2.build_opener(urllib2.HTTPSHandler(context=ctx))

NOTE: all above test environment is python 2.7.12. I use PROTOCOL_SSLv23 here since the doc says so, other protocol might also works but depends on your machine and remote server, please check the doc for detail.

I had the same problem with rails 3.1.0, and I solved adding in file the followings lines:

app/assets/javascripts/application.js
//= require_tree
//= require jquery
//= require jquery_ujs

Since you actually want a different array which is arr where arr < 255, and 255 otherwise, this can be done simply:

result = np.minimum(arr, 255)

More generally, for a lower and/or upper bound:

result = np.clip(arr, 0, 255)

If you just want to access the values over 255, or something more complicated, @mtitan8's answer is more general, but np.clip and np.minimum (or np.maximum) are nicer and much faster for your case:

In [292]: timeit np.minimum(a, 255)
100000 loops, best of 3: 19.6 µs per loop

In [293]: %%timeit
   .....: c = np.copy(a)
   .....: c[a>255] = 255
   .....: 
10000 loops, best of 3: 86.6 µs per loop

If you want to do it in-place (i.e., modify arr instead of creating result) you can use the out parameter of np.minimum:

np.minimum(arr, 255, out=arr)

or

np.clip(arr, 0, 255, arr)

(the out= name is optional since the arguments in the same order as the function's definition.)

For in-place modification, the boolean indexing speeds up a lot (without having to make and then modify the copy separately), but is still not as fast as minimum:

In [328]: %%timeit
   .....: a = np.random.randint(0, 300, (100,100))
   .....: np.minimum(a, 255, a)
   .....: 
100000 loops, best of 3: 303 µs per loop

In [329]: %%timeit
   .....: a = np.random.randint(0, 300, (100,100))
   .....: a[a>255] = 255
   .....: 
100000 loops, best of 3: 356 µs per loop

For comparison, if you wanted to restrict your values with a minimum as well as a maximum, without clip you would have to do this twice, with something like

np.minimum(a, 255, a)
np.maximum(a, 0, a)

or,

a[a>255] = 255
a[a<0] = 0

By default you use curl without explicitly saying which request method to use. If you just pass in a HTTP URL like curl http://example.com it will use GET. If you use -d or -F curl will use POST, -I will cause a HEAD and -T will make it a PUT.

If for whatever reason you're not happy with these default choices that curl does for you, you can override those request methods by specifying -X [WHATEVER]. This way you can for example send a DELETE by doing curl -X DELETE [URL].

It is thus pointless to do curl -X GET [URL] as GET would be used anyway. In the same vein it is pointless to do curl -X POST -d data [URL]... But you can make a fun and somewhat rare request that sends a request-body in a GET request with something like curl -X GET -d data [URL].

Digging deeper

curl -GET (using a single dash) is just wrong for this purpose. That's the equivalent of specifying the -G, -E and -T options and that will do something completely different.

There's also a curl option called --get to not confuse matters with either. It is the long form of -G, which is used to convert data specified with -d into a GET request instead of a POST.

(I subsequently used my own answer here to populate the curl FAQ to cover this.)

Warnings

Modern versions of curl will inform users about this unnecessary and potentially harmful use of -X when verbose mode is enabled (-v) - to make users aware. Further explained and motivated in this blog post.

-G converts a POST + body to a GET + query

You can ask curl to convert a set of -d options and instead of sending them in the request body with POST, put them at the end of the URL's query string and issue a GET, with the use of `-G. Like this:

curl -d name=daniel -d grumpy=yes -G https://example.com/

JetBrains has a .gitignore_global on GitHub.

you can use script module

Example

- name: Transfer and execute a script.
  hosts: all
  tasks:

     - name: Copy and Execute the script 
       script: /home/user/userScript.sh

<form id="uploadbanner" enctype="multipart/form-data" method="post" action="#">
   <input id="fileupload" name="myfile" type="file" />
   <input type="submit" value="submit" id="submit" />
</form>

To upload a file, it is essential to set enctype="multipart/form-data" on your form

You need that form type and then some php to process the file :)

You should probably check out Uploadify if you want something very customisable out of the box.

For Jenkins 2.190.1 this works for sure:

    post {
        always {
            cleanWs deleteDirs: true, notFailBuild: true
        }
    }

If you want to terminate the thread, then just returning is fine. You do NOT need to call Thread.currentThread().interrupt() (it will not do anything bad though. It's just that you don't need to.) This is because interrupt() is basically used to notify the owner of the thread (well, not 100% accurate, but sort of). Because you are the owner of the thread, and you decided to terminate the thread, there is no one to notify, so you don't need to call it.

By the way, why in the first case we need to use currentThread? Is Thread does not refer to the current thread?

Yes, it doesn't. I guess it can be confusing because e.g. Thread.sleep() affects the current thread, but Thread.sleep() is a static method.

If you are NOT the owner of the thread (e.g. if you have not extended Thread and coded a Runnable etc.) you should do

Thread.currentThread().interrupt();
return;

This way, whatever code that called your runnable will know the thread is interrupted = (normally) should stop whatever it is doing and terminate. As I said earlier, it is just a mechanism of communication though. The owner might simply ignore the interrupted status and do nothing.. but if you do set the interrupted status, somebody might thank you for that in the future.

For the same reason, you should never do

Catch(InterruptedException ie){
     //ignore
}

Because if you do, you are stopping the message there. Instead one should do

Catch(InterruptedException ie){
    Thread.currentThread().interrupt();//preserve the message
    return;//Stop doing whatever I am doing and terminate
}

The 'c' means it's a character device. tty is a special file representing the 'controlling terminal' for the current process.

Character Devices

Unix supports 'device files', which aren't really files at all, but file-like access points to hardware devices. A 'character' device is one which is interfaced byte-by-byte (as opposed to buffered IO).

TTY

/dev/tty is a special file, representing the terminal for the current process. So, when you echo 1 > /dev/tty, your message ('1') will appear on your screen. Likewise, when you cat /dev/tty, your subsequent input gets duplicated (until you press Ctrl-C).

/dev/tty doesn't 'contain' anything as such, but you can read from it and write to it (for what it's worth). I can't think of a good use for it, but there are similar files which are very useful for simple IO operations (e.g. /dev/ttyS0 is normally your serial port)

This quote is from http://tldp.org/HOWTO/Text-Terminal-HOWTO-7.html#ss7.3 :

/dev/tty stands for the controlling terminal (if any) for the current process. To find out which tty's are attached to which processes use the "ps -a" command at the shell prompt (command line). Look at the "tty" column. For the shell process you're in, /dev/tty is the terminal you are now using. Type "tty" at the shell prompt to see what it is (see manual pg. tty(1)). /dev/tty is something like a link to the actually terminal device name with some additional features for C-programmers: see the manual page tty(4).

Here is the man page: http://linux.die.net/man/4/tty

I imagine this like that:

<html>
<head>
<script>
var frame_loaded = 0;
function setFrameLoaded()
{
   frame_loaded = 1;
   alert("Iframe is loaded");
}
$('#click').click(function(){
   if(frame_loaded == 1)
    console.log('iframe loaded')
   } else {
    console.log('iframe not loaded')
   }
})
</script>
</head>
<button id='click'>click me</button>

<iframe id='MainPopupIframe' onload='setFrameLoaded();' src='http://...' />...</iframe>

Why not just run this: No need for special permissions

SELECT
    name, 
    object_id, 
    create_date, 
    modify_date
FROM
    sys.tables 
WHERE 
    name like '%yourTablePattern%'
ORDER BY
    modify_date

Hope this helps. From eclipse, you right click the project -> Run As -> Run on Server and then it worked for me. I used Eclipse Jee Neon and Apache Tomcat 9.0. :)

I just removed the head portion in index.html file and it worked fine.This is the head tag in html file

In my experience, the "I" convention applies to interfaces that are intended to provide a contract to a class, particularly when the interface itself is not an abstract notion of the class.

For example, in your case, I'd only expect to see IUser if the only user you ever intend to have is User. If you plan to have different types of users - NoviceUser, ExpertUser, etc. - I would expect to see a User interface (and, perhaps, an AbstractUser class that implements some common functionality, like get/setName()).

I would also expect interfaces that define capabilities - Comparable, Iterable, etc. - to be named like that, and not like IComparable or IIterable.

Bitmasks are used when you want to encode multiple layers of information in a single number.

So (assuming unix file permissions) if you want to store 3 levels of access restriction (read, write, execute) you could check for each level by checking the corresponding bit.

rwx
---
110

110 in base 2 translates to 6 in base 10.

So you can easily check if someone is allowed to e.g. read the file by and'ing the permission field with the wanted permission.

Pseudocode:

PERM_READ = 4
PERM_WRITE = 2
PERM_EXEC = 1

user_permissions = 6

if (user_permissions & PERM_READ == TRUE) then
  // this will be reached, as 6 & 4 is true
fi

You need a working understanding of binary representation of numbers and logical operators to understand bit fields.

... is syntax for variadic arguments.

I think it is implemented by the complier using slice ([]Type), just like the function append :

func append(slice []Type, elems ...Type) []Type

when you use "elems" in "append", actually it is a slice([]type). So "a = append(a[:0], a[1:]...)" means "a = append(a[0:0], a[1:])"

a[0:0] is a slice which has nothing

a[1:] is "Hello2 Hello3"

This is how it works

This:

STR_TO_DATE(t.datestring, '%d/%m/%Y')

...will convert the string into a datetime datatype. To be sure that it comes out in the format you desire, use DATE_FORMAT:

DATE_FORMAT(STR_TO_DATE(t.datestring, '%d/%m/%Y'), '%Y-%m-%d')

If you can't change the datatype on the original column, I suggest creating a view that uses the STR_TO_DATE call to convert the string to a DateTime data type.