one solution could be to find a way of pulling the numbers from the string and placing them in a column of just numbers the using the =MEDIAN() function giving the new number column as the range

Efficient is a word that depends on context. The solution to this problem depends on the amount of queries performed relative to the amount of insertions. Suppose you are inserting N numbers and K times towards the end you were interested in the median. The heap based algorithm's complexity would be O(N log N + K).

Consider the following alternative. Plunk the numbers in an array, and for each query, run the linear selection algorithm (using the quicksort pivot, say). Now you have an algorithm with running time O(K N).

Now if K is sufficiently small (infrequent queries), the latter algorithm is actually more efficient and vice versa.

2019 UPDATE: In the 10 years since I wrote this answer, more solutions have been uncovered that may yield better results. Also, SQL Server releases since then (especially SQL 2012) have introduced new T-SQL features that can be used to calculate medians. SQL Server releases have also improved its query optimizer which may affect perf of various median solutions. Net-net, my original 2009 post is still OK but there may be better solutions on for modern SQL Server apps. Take a look at this article from 2012 which is a great resource: https://sqlperformance.com/2012/08/t-sql-queries/median

This article found the following pattern to be much, much faster than all other alternatives, at least on the simple schema they tested. This solution was 373x faster (!!!) than the slowest (PERCENTILE_CONT) solution tested. Note that this trick requires two separate queries which may not be practical in all cases. It also requires SQL 2012 or later.

DECLARE @c BIGINT = (SELECT COUNT(*) FROM dbo.EvenRows);

SELECT AVG(1.0 * val)
FROM (
    SELECT val FROM dbo.EvenRows
     ORDER BY val
     OFFSET (@c - 1) / 2 ROWS
     FETCH NEXT 1 + (1 - @c % 2) ROWS ONLY
) AS x;

Of course, just because one test on one schema in 2012 yielded great results, your mileage may vary, especially if you're on SQL Server 2014 or later. If perf is important for your median calculation, I'd strongly suggest trying and perf-testing several of the options recommended in that article to make sure that you've found the best one for your schema.

I'd also be especially careful using the (new in SQL Server 2012) function PERCENTILE_CONT that's recommended in one of the other answers to this question, because the article linked above found this built-in function to be 373x slower than the fastest solution. It's possible that this disparity has been improved in the 7 years since, but personally I wouldn't use this function on a large table until I verified its performance vs. other solutions.

ORIGINAL 2009 POST IS BELOW:

There are lots of ways to do this, with dramatically varying performance. Here's one particularly well-optimized solution, from Medians, ROW_NUMBERs, and performance. This is a particularly optimal solution when it comes to actual I/Os generated during execution – it looks more costly than other solutions, but it is actually much faster.

That page also contains a discussion of other solutions and performance testing details. Note the use of a unique column as a disambiguator in case there are multiple rows with the same value of the median column.

As with all database performance scenarios, always try to test a solution out with real data on real hardware – you never know when a change to SQL Server's optimizer or a peculiarity in your environment will make a normally-speedy solution slower.

SELECT
   CustomerId,
   AVG(TotalDue)
FROM
(
   SELECT
      CustomerId,
      TotalDue,
      -- SalesOrderId in the ORDER BY is a disambiguator to break ties
      ROW_NUMBER() OVER (
         PARTITION BY CustomerId
         ORDER BY TotalDue ASC, SalesOrderId ASC) AS RowAsc,
      ROW_NUMBER() OVER (
         PARTITION BY CustomerId
         ORDER BY TotalDue DESC, SalesOrderId DESC) AS RowDesc
   FROM Sales.SalesOrderHeader SOH
) x
WHERE
   RowAsc IN (RowDesc, RowDesc - 1, RowDesc + 1)
GROUP BY CustomerId
ORDER BY CustomerId;

The answer is "No, one can't find the median of an arbitrary, unsorted dataset in linear time". The best one can do as a general rule (as far as I know) is Median of Medians (to get a decent start), followed by Quickselect. Ref: [https://en.wikipedia.org/wiki/Median_of_medians][1]

I defined a median function for a list of numbers as

def median(numbers):
    return (sorted(numbers)[int(round((len(numbers) - 1) / 2.0))] + sorted(numbers)[int(round((len(numbers) - 1) // 2.0))]) / 2.0

My 5 cents (because it appears more straightforward/simpler and sufficient for short lists):

public static T Median<T>(this IEnumerable<T> items)
{
    var i = (int)Math.Ceiling((double)(items.Count() - 1) / 2);
    if (i >= 0)
    {
        var values = items.ToList();
        values.Sort();
        return values[i];
    }

    return default(T);
}

P.S. using "higher median" as described by ShitalShah.

This way seems include both even and odd count without subquery.

SELECT AVG(t1.x)
FROM table t1, table t2
GROUP BY t1.x
HAVING SUM(SIGN(t1.x - t2.x)) = 0

i had the same problem... every time that i wanted to publish my css.. I had to make a search/replace.. and relative path wouldnt work either for me because the relative paths were different from dev to production.

Finally was tired of doing the search/replace and I created a dynamic css, (e.g. www.mysite.com/css.php) it's the same but now i could use my php constants in the css. somethig like

.icon{
  background-image:url('<?php echo BASE_IMAGE;?>icon.png');
}

and it's not a bad idea to make it dynamic because now i could compress it using YUI compressor without loosing the original format on my dev server.

Good Luck!

Point 1: Add require() function calling line of code only in the app.js file or main.js file.

Point 2: Make sure the required package is installed by checking the pacakage.json file. If not updated, run "npm i".

Just run the below scripts on console:

sudo npm i -g n
sudo n stable
sudo npm update -g npm

This will work for Linux and MAC only

Use a simple:

return ((op1 ? 1 : 0) ^ (op2 ? 1 : 0));

EL expression:

${requestScope.Error_Message}

There are several implicit objects in JSP EL. See Expression Language under the "Implicit Objects" heading.

Set DropDownList AutoPostBack property to true.

Eg:

<asp:DropDownList ID="logList" runat="server" AutoPostBack="True" 
        onselectedindexchanged="itemSelected">
    </asp:DropDownList>

To allow you to define variables that you don't want to serialize.

In an object you may have information that you don't want to serialize/persist (perhaps a reference to a parent factory object), or perhaps it doesn't make sense to serialize. Marking these as 'transient' means the serialization mechanism will ignore these fields.

Use this i liked it so much since creates link with blue color to particular text only not on whole label text: FRHyperLabel

To do:

1. Download from above link and copy FRHyperLabel.h, FRHyperLabel.m to your project.

2. Drag drop UILabel in your Storyboard and define custom class name to FRHyperLabel in identify inspector as shown in image.

3. Connect your UILabel from storyboard to your viewController.h file

@property (weak, nonatomic) IBOutlet FRHyperLabel *label;

4. Now in your viewController.m file add following code.

`NSString *string = @"By uploading I agree to the Terms of Use"; NSDictionary *attributes = @{NSFontAttributeName: [UIFont preferredFontForTextStyle:UIFontTextStyleHeadline]};

_label.attributedText = [[NSAttributedString alloc]initWithString:string attributes:attributes];
[_label setFont:[_label.font fontWithSize:13.0]];

[_label setLinkForSubstring:@"Terms of Use" withLinkHandler:^(FRHyperLabel *label, NSString *substring){
    [[UIApplication sharedApplication] openURL:[NSURL URLWithString:@"http://www.google.com"]];
}];`

5. And run it.

In addition to using:

<base href="/">

Also remove the rel="stylesheet" part from your css links:

<link type="text/css" href="assets/styles/custom-style.css"/>

Example code based on answer by TetraDev

Images on right:

* {_x000D_
  outline: .4px dashed red;_x000D_
}_x000D_
_x000D_
.main {_x000D_
  display: flex;_x000D_
  flex-direction: row;_x000D_
  align-items: center;_x000D_
}_x000D_
_x000D_
h1 {_x000D_
  flex-basis: 100%;_x000D_
}_x000D_
_x000D_
img {_x000D_
  margin: 0 5px;_x000D_
  height: 30px;_x000D_
}

<div class="main">_x000D_
  <h1>Secure Payment</h1>_x000D_
  <img src="https://i.stack.imgur.com/i65gn.png">_x000D_
  <img src="https://i.stack.imgur.com/i65gn.png">_x000D_
</div>

Images on left:

* {_x000D_
  outline: .4px dashed red;_x000D_
}_x000D_
_x000D_
.main {_x000D_
  display: flex;_x000D_
  flex-direction: row;_x000D_
  align-items: center;_x000D_
}_x000D_
_x000D_
h1 {_x000D_
  flex-basis: 100%;_x000D_
  text-align: right;_x000D_
}_x000D_
_x000D_
img {_x000D_
  margin: 0 5px;_x000D_
  height: 30px;_x000D_
}

<div class="main">_x000D_
  <img src="https://i.stack.imgur.com/i65gn.png">_x000D_
  <img src="https://i.stack.imgur.com/i65gn.png">_x000D_
  <h1>Secure Payment</h1>_x000D_
</div>

Easiest Way!!!

1. Right click on project and select "Manage NuGet Packages..."
2. Search for Oracle.ManagedDataAccess. Install it.

If you are using Entity Framework and your Visual Studio Version is 2012 or higher,then

3. Again search for Oracle.ManagedDataAccess.EntityFramework. Install it.
   
4. Use below name spaces in your .cs file:
   using Oracle.ManagedDataAccess.Client;
   using Oracle.ManagedDataAccess.EntityFramework;

Its done. Now restart your visual studio and build your code.

What do these packages do?
After installing these packages no additional Oracle client software is required to be installed to connect to database.

<!-- Binding settings for HTTPS endpoint -->
<binding name="yourServiceName">
    <security mode="Transport">
        <transport clientCredentialType="None" />
        <!-- Don't use message -->
    </security>
</binding>

I think that the the align="center" aligns the content, so if you wanted to use that method, you would need to use it in a 'wraper' div - a div that just wraps the rest.

text-align is doing a similar sort of thing.

left:50% is ignored unless you set the div's position to be something like relative or absolute.

The generally accepted methods is to use the following properties

width:500px; // this can be what ever unit you want, you just have to define it
margin-left:auto;
margin-right:auto;

the margins being auto means they grow/shrink to match the browser window (or parent div)

UPDATE

Thanks to Meo for poiting this out, if you wanted to you could save time and use the short hand propery for the margin.

margin:0 auto;

this defines the top and bottom as 0 (as it is zero it does not matter about lack of units) and the left and right get defined as 'auto' You can then, if you wan't override say the top margin as you would with any other CSS rules.

Try the below command, because it works perfectly:

grep -ow "yourstring"

crosscheck:-

Remove the instance of word from file, then re-execute this command and it should display empty result.

SELECT min (id) AS 'ID', min(sku) AS 'SKU', Product
    FROM TestData
    WHERE sku LIKE 'FOO%' -- If you want only the sku that matchs with FOO%
    GROUP BY product 
    ORDER BY 'ID'

context is where this refers to in your iterator function. For example:

var person = {};
person.friends = {
  name1: true,
  name2: false,
  name3: true,
  name4: true
};

_.each(['name4', 'name2'], function(name){
  // this refers to the friends property of the person object
  alert(this[name]);
}, person.friends);

You should use Terms Query

{
    "query" : {
        "terms" : {
            "tags" : ["c", "d"]
        }
    }
}

try using a text editing controller. at the begining,

    final myController = TextEditingController();
     @override
  void dispose() {
    // Clean up the controller when the widget is disposed.
    myController.dispose();
    super.dispose();
  }

and in the on press event,

onPressed: () {
            commentController.clear();}

this will dismiss the keybord.

Try the Join-Path cmdlet:

Get-ChildItem c:\code\*\bin\* -Filter *.dll | Foreach-Object {
    Join-Path -Path  $_.DirectoryName -ChildPath "$buildconfig\$($_.Name)" 
}

Install

If you use homebrew (which I recommend), you can install selenium using:

brew install selenium-server-standalone

Running

updated -port port_number

To run selenium, do: selenium-server -port 4444

For more options: selenium-server -help

  var stud = (from s1 in entities.Students
            where s1.ID== student.ID
            select s1).SingleOrDefault();

  //Delete it from memory
  entities.DeleteObject(stud);
  //Save to database
  entities.SaveChanges();

Best way to kill all processes on a specific port;

kill -9 $(sudo lsof -t -i:8080)

Using class members to give default values works very well just so long as you are careful only to do it with immutable values. If you try to do it with a list or a dict that would be pretty deadly. It also works where the instance attribute is a reference to a class just so long as the default value is None.

I've seen this technique used very successfully in repoze which is a framework that runs on top of Zope. The advantage here is not just that when your class is persisted to the database only the non-default attributes need to be saved, but also when you need to add a new field into the schema all the existing objects see the new field with its default value without any need to actually change the stored data.

I find it also works well in more general coding, but it's a style thing. Use whatever you are happiest with.

Found this while working with Epicycles - clearly works - where 'p' is invisible to my eyes.

/** Convert a set of picture points to a set of Cartesian coordinates */
function toCartesian(points, scale) {
  const x_max = Math.max(...points.map(p=>p[0])),
  y_max = Math.max(...points.map(p=>p[1])),
  x_min = Math.min(...points.map(p=>p[0])),
  y_min = Math.min(...points.map(p=>p[1])),
  signed_x_max = Math.floor((x_max - x_min + 1) / 2),
  signed_y_max = Math.floor((y_max - y_min + 1) / 2);

  return points.map(p=>
  [ -scale * (signed_x_max - p[0] + x_min),
  scale * (signed_y_max - p[1] + y_min) ] );
}

You can use a2enmod or a2dismod to enable/disable modules by name.

From terminal, run: sudo a2enmod php5 to enable PHP5 (or some other module), then sudo service apache2 reload to reload the Apache2 configuration.

Code coverage basically tells you how much of your code is covered under tests. For example, if you have 90% code coverage, it means 10% of the code is not covered under tests.

I know you might be thinking that if 90% of the code is covered, it's good enough, but you have to look from a different angle. What is stopping you from getting 100% code coverage?

A good example will be this:

if(customer.IsOldCustomer()) 
{
}
else 
{
}

Now, in the code above, there are two paths/branches. If you are always hitting the "YES" branch, you are not covering the "else" part and it will be shown in the Code Coverage results. This is good because now you know that what is not covered and you can write a test to cover the "else" part. If there was no code coverage, you are just sitting on a time bomb, waiting to explode.

NCover is a good tool to measure code coverage.

Using jQuery, easiest way to get array of keys from object is following:

$.map(obj, function(element,index) {return index})

In your case, it will return this array: ["alfa", "beta"]

Configuration config = System.Web.Configuration.WebConfigurationManager.OpenWebConfiguration("~");
ConnectionStringsSection section = config.GetSection("connectionStrings") as ConnectionStringsSection;
//section.SectionInformation.UnprotectSection();
section.SectionInformation.ProtectSection("DataProtectionConfigurationProvider");
config.Save();

This is often caused by an attempt to process a null object. An example, trying to empty a Bindable list that is null will trigger the exception:

public class MyViewModel {
    [BindableProperty]
    public virtual IList<Products> ProductsList{ get; set; }

    public MyViewModel ()
    {
        ProductsList.Clear(); // here is the problem
    }
}

This could easily be fixed by checking for null:

if (ProductsList!= null) ProductsList.Clear();

We can concat Like this :

<h5 th:text ="${currentItem.first_name}+ ' ' + ${currentItem.last_name}"></h5>

The simplest is to just give the 'trans' (formerly 'formatter' argument the name of the log function:

m + geom_boxplot() + scale_y_continuous(trans='log10')

EDIT: Or if you don't like that, then either of these appears to give different but useful results:

m <- ggplot(diamonds, aes(y = price, x = color), log="y")
m + geom_boxplot() 
m <- ggplot(diamonds, aes(y = price, x = color), log10="y")
m + geom_boxplot()

EDIT2 & 3: Further experiments (after discarding the one that attempted successfully to put "$" signs in front of logged values):

fmtExpLg10 <- function(x) paste(round_any(10^x/1000, 0.01) , "K $", sep="")
ggplot(diamonds, aes(color, log10(price))) + 
  geom_boxplot() + 
  scale_y_continuous("Price, log10-scaling", trans = fmtExpLg10)

Note added mid 2017 in comment about package syntax change:

scale_y_continuous(formatter = 'log10') is now scale_y_continuous(trans = 'log10') (ggplot2 v2.2.1)

If someone is looking to sub out more than a comma I'm a fan of:

"1,200".chars.grep(/\d/).join.to_i

dunno about performance but, it is more flexible than a gsub, ie:

"1-200".chars.grep(/\d/).join.to_i

you can write events on elements like chain,

$(element).on('click',function(){
   //action on click
}).on('mouseup',function(){
   //action on mouseup (just before click event)
});

i've used it for removing cart items. same object, doing some action, after another action

In addition to the suggestion by Konrad here, I'd like to suggest jupyter themes, which seems to have more options, such as line-height, font size, cell width etc.

Command line usage:

jt  [-h] [-l] [-t THEME] [-f MONOFONT] [-fs MONOSIZE] [-nf NBFONT]
[-nfs NBFONTSIZE] [-tf TCFONT] [-tfs TCFONTSIZE] [-dfs DFFONTSIZE]
[-m MARGINS] [-cursw CURSORWIDTH] [-cursc CURSORCOLOR] [-vim]
[-cellw CELLWIDTH] [-lineh LINEHEIGHT] [-altp] [-P] [-T] [-N]
[-r] [-dfonts]

http://api.rubyonrails.org/classes/ActiveRecord/Migration.html

Under Available Transformations

rename_column(table_name, column_name, new_column_name):

Renames a column but keeps the type and content.

For me the issue was that, i had added a lib project(autobahn lib) earlier and later switched the to Jar file of the same library.Though i had removed references to the older library project, i was getting this error. Following all the answers here i checked the build path etc. But i haven't added these libs to build path manually. So i had nothing to remove. Finally came across this folder.

bin/dexedLibs

I noticed that there were two jar files with the same name corresponding to autobahn Android which was causing the conflict. So i deleted all the jar files in the dexedLibs folder and rebuild the project. That resolved the issue.

I used the below code from this website, it works great https://www.freecodecamp.org/news/how-to-redirect-http-to-https-using-htaccess/

RewriteEngine On_x000D_
RewriteCond %{SERVER_PORT} 80_x000D_
RewriteRule ^(.*)$ https://www.yourdomain.com/$1 [R,L]

Hope it helps

Has anyone considered using int.Parse() and int.TryParse() like this

int bar = int.Parse(foo.ToString());

Even better like this

int bar;
if (!int.TryParse(foo.ToString(), out bar))
{
    //Do something to correct the problem
}

It's a lot safer and less error prone

Don't nest <form> tags, that will not work. Just use Bootstrap classes.

Bootstrap 3

<form class="form-horizontal" role="form">
    <div class="form-group">
      <label for="inputType" class="col-md-2 control-label">Type</label>
      <div class="col-md-3">
          <input type="text" class="form-control" id="inputType" placeholder="Type">
      </div>
    </div>
    <div class="form-group">
        <span class="col-md-2 control-label">Metadata</span>
        <div class="col-md-6">
            <div class="form-group row">
                <label for="inputKey" class="col-md-1 control-label">Key</label>
                <div class="col-md-2">
                    <input type="text" class="form-control" id="inputKey" placeholder="Key">
                </div>
                <label for="inputValue" class="col-md-1 control-label">Value</label>
                <div class="col-md-2">
                    <input type="text" class="form-control" id="inputValue" placeholder="Value">
                </div>
            </div>
        </div>
    </div>
</form>

You can achieve that behaviour in many ways, that's just an example. Test it on this bootply

Bootstrap 2

<form class="form-horizontal">
    <div class="control-group">
        <label class="control-label" for="inputType">Type</label>
        <div class="controls">
            <input type="text" id="inputType" placeholder="Type">
        </div>
    </div>
    <div class="control-group">
        <span class="control-label">Metadata</span>
        <div class="controls form-inline">
            <label for="inputKey">Key</label>
            <input type="text" class="input-small" placeholder="Key" id="inputKey">
            <label for="inputValue">Value</label>
            <input type="password" class="input-small" placeholder="Value" id="inputValue">
        </div>
    </div>
</form>

Note that I'm using .form-inline to get the propper styling inside a .controls.
You can test it on this jsfiddle

include the css file into your blade template in laravel

1. move css file into public->css folder in your laravel project.
2. use <link rel="stylesheet" href="{{ asset('css/filename') }}">

so css is applied in a blade.php file.

in this example de select tag is named as: aula_clase_cb

<select class="form-control" id="aula_clase_cb" >
</select>

document.getElementById("aula_clase_cb").onchange = function(e){
    id = document.getElementById('aula_clase_cb').value;
    alert("id: "+id);
};

The S parameter does not do anything on its own.

/S      Modifies the treatment of string after /C or /K (see below) 
/C      Carries out the command specified by string and then terminates  
/K      Carries out the command specified by string but remains  

Try something like this instead

Call Shell("cmd.exe /S /K" & "perl a.pl c:\temp", vbNormalFocus)

You may not even need to add "cmd.exe" to this command unless you want a command window to open up when this is run. Shell should execute the command on its own.

Shell("perl a.pl c:\temp")

-Edit-
To wait for the command to finish you will have to do something like @Nate Hekman shows in his answer here

Dim wsh As Object
Set wsh = VBA.CreateObject("WScript.Shell")
Dim waitOnReturn As Boolean: waitOnReturn = True
Dim windowStyle As Integer: windowStyle = 1

wsh.Run "cmd.exe /S /C perl a.pl c:\temp", windowStyle, waitOnReturn

I had this problem when trying to run 'npm install' in a Terminal window which had been opened before installing Node.js.

Opening a new Terminal window (i.e. bash session) worked. (Presumably this provided the correct environment variables for npm to run correctly.)

This is just my personal opinion and folks from web API team can probably articulate it better but here is my 2c.

First of all, I think it is not a question of one over another. You can use them both depending on what you want to do in your action method but in order to understand the real power of IHttpActionResult, you will probably need to step outside those convenient helper methods of ApiController such as Ok, NotFound, etc.

Basically, I think a class implementing IHttpActionResult as a factory of HttpResponseMessage. With that mind set, it now becomes an object that need to be returned and a factory that produces it. In general programming sense, you can create the object yourself in certain cases and in certain cases, you need a factory to do that. Same here.

If you want to return a response which needs to be constructed through a complex logic, say lots of response headers, etc, you can abstract all those logic into an action result class implementing IHttpActionResult and use it in multiple action methods to return response.

Another advantage of using IHttpActionResult as return type is that it makes ASP.NET Web API action method similar to MVC. You can return any action result without getting caught in media formatters.

Of course, as noted by Darrel, you can chain action results and create a powerful micro-pipeline similar to message handlers themselves in the API pipeline. This you will need depending on the complexity of your action method.

Long story short - it is not IHttpActionResult versus HttpResponseMessage. Basically, it is how you want to create the response. Do it yourself or through a factory.

Replace this:

var cat = $.jqURL.get('category');
var $dd = $('#cbCategory');
var $options = $('option', $dd);
$options.each(function() {
if ($(this).text() == cat)
    $(this).select(); // This is where my problem is
});

With this:

$('#cbCategory').val(cat);

Calling val() on a select list will automatically select the option with that value, if any.

For that you neet to use the g flag of regex.... Like this :

var new_string=old_string.replace( / (regex) /g,  replacement_text);

That sh

If you want to plot lines instead of points, see this example, modified here to plot good/bad points representing a function as a black/red as appropriate:

def plot(xx, yy, good):
    """Plot data

    Good parts are plotted as black, bad parts as red.

    Parameters
    ----------
    xx, yy : 1D arrays
        Data to plot.
    good : `numpy.ndarray`, boolean
        Boolean array indicating if point is good.
    """
    import numpy as np
    import matplotlib.pyplot as plt
    fig, ax = plt.subplots()
    from matplotlib.colors import from_levels_and_colors
    from matplotlib.collections import LineCollection
    cmap, norm = from_levels_and_colors([0.0, 0.5, 1.5], ['red', 'black'])
    points = np.array([xx, yy]).T.reshape(-1, 1, 2)
    segments = np.concatenate([points[:-1], points[1:]], axis=1)
    lines = LineCollection(segments, cmap=cmap, norm=norm)
    lines.set_array(good.astype(int))
    ax.add_collection(lines)
    plt.show()

how to completely clear localstorage

localStorage.clear();

how to completely clear sessionstorage

sessionStorage.clear();

[...] Cookies ?

var cookies = document.cookie;

for (var i = 0; i < cookies.split(";").length; ++i)
{
    var myCookie = cookies[i];
    var pos = myCookie.indexOf("=");
    var name = pos > -1 ? myCookie.substr(0, pos) : myCookie;
    document.cookie = name + "=;expires=Thu, 01 Jan 1970 00:00:00 GMT";
}

is there any way to get the value back after clear these ?

No, there isn't. But you shouldn't rely on this if this is related to a security question.

next((x for x in test_list if x.value == value), None)

This gets the first item from the list that matches the condition, and returns None if no item matches. It's my preferred single-expression form.

However,

for x in test_list:
    if x.value == value:
        print("i found it!")
        break

The naive loop-break version, is perfectly Pythonic -- it's concise, clear, and efficient. To make it match the behavior of the one-liner:

for x in test_list:
    if x.value == value:
        print("i found it!")
        break
else:
    x = None

This will assign None to x if you don't break out of the loop.

If you want just a jQuery option, this will work:

$(el).stop().animate(
  {rotation: 360},
  {
    duration: 500,
    step: function(now, fx) {
      $(this).css({"transform": "rotate("+now+"deg)"});
    }
  }
);

This works with jQuery 1.8, which takes care of CSS prefixing automatically. jQuery doesn't animate rotation so I'm putting the transform:rotate() in the custom step function. It might only work starting from 0.

Demo: http://jsfiddle.net/forresto/ShUgD/

IE9 and Mobile Safari 4 support CSS transforms but not CSS transitions, so I came up with this simple shim, using Modernizr feature testing:

if (Modernizr.csstransitions) {
  $(el).css({
    "transition": "all 500ms ease-in-out"
  });
}

$(el).click(function(){
  var rotateTo = 360;
  if (Modernizr.csstransitions) {
    $(el).css({"transform": "rotate("+rotateTo+"deg)"});
  } else {
    $(el).stop().animate(
      {rotation: rotateTo},
      {
        duration: 500,
        step: function(now, fx) {
          $(this).css({"transform": "rotate("+now+"deg)"});
        }
      }
    );
  }
});

The above will use CSS transitions when available.

Both: iterate through all denominations from high to low, take one of denomination, subtract from requried total, then recurse on remainder (constraining avilable denominations to be equal or lower to current iteration value.)

This is an old Q, but a modern solution without flexbox or position absolute works like this.

margin-left: 50%;
transform: translateX(-50%);

.outer {_x000D_
  border: 1px solid green;_x000D_
  margin: 20px auto;_x000D_
  width: 20%;_x000D_
  padding: 10px 0;_x000D_
  /*   overflow: hidden; */_x000D_
}_x000D_
_x000D_
.inner {_x000D_
  width: 150%;_x000D_
  background-color: gold;_x000D_
  /* Set left edge of inner element to 50% of the parent element */_x000D_
  margin-left: 50%; _x000D_
  /* Move to the left by 50% of own width */_x000D_
  transform: translateX(-50%); _x000D_
}

<div class="outer">_x000D_
  <div class="inner">Lorem ipsum dolor sit amet, consectetur adipisicing elit. Quos exercitationem error nemo amet cum quia eaque alias nihil, similique laboriosam enim expedita fugit neque earum et esse ad, dolores sapiente sit cumque vero odit! Ullam corrupti iure eum similique magnam voluptatum ipsam. Maxime ad cumque ut atque suscipit enim quidem. Lorem ipsum dolor sit amet, consectetur adipisicing elit. Excepturi impedit esse modi, porro quibusdam voluptate dolores molestias, sit dolorum veritatis laudantium rem, labore et nobis ratione. Ipsum, aliquid totam repellendus non fugiat id magni voluptate, doloribus tenetur illo mollitia. Voluptatum.</div>_x000D_
</div>

So why does it work?
At first glance it seems that we shift 50% to the right and then 50% to the left again. That would result in zero shift, so what?
But the 50% are not the same, because context is important. If you use relative units, a margin will be calculated as percentage of the width of the parent element, while the transform will be 50% relative to the same element.

We have this situation before we add the CSS

       +-------------------------------------------+
       | Parent element P of E                     |
       |                                           |
       +-----------------------------------------------------------+
       | Element E                                                 |
       +-----------------------------------------------------------+
       |                                           |
       +-------------------------------------------+

With the added style margin-left: 50% we have

       +-------------------------------------------+
       | Parent element P of E                     |
       |                                           |
       |                     +-----------------------------------------------------------+
       |                     | Element E                                                 |
       |                     +-----------------------------------------------------------+
       |                     |                     |
       +---------------------|---------------------+
       |========= a ========>|

       a is 50% width of P

And the transform: translateX(-50%) shifts back to the left

       +-------------------------------------------+
       | Parent element P of E                     |
       |                                           |
+-----------------------------------------------------------+
| Element E                 |                               |
+-----------------------------------------------------------+
|<============ b ===========|                      |
       |                    |                      |
       +--------------------|----------------------+
       |========= a =======>|

       a is 50% width of P
       b is 50% width of E

Unfortunately this does only work for horizontal centering as the margin percentage calculation is always relative to the width. I.e. not only margin-left and margin-right, but also margin-top and margin-bottom are calculated with respect to width.

Browser compatibility should be no problem: https://caniuse.com/#feat=transforms2d

mythreads = threading.enumerate()

Enumerate returns a list of all Thread objects still alive. https://docs.python.org/3.6/library/threading.html

There are apparently different levels of authentication. Most articles I read tell you to set the MaxAllowedZone to '1' which means that local machine zone and intranet zone are allowed but '4' allows access for 'all' zones.

For more info, read this article: https://support.microsoft.com/en-us/kb/892675

This is how my registry looks (I wasn't sure it would work with the wild cards but it seems to work for me):

Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp\1.x]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp\1.x\ItssRestrictions]
"MaxAllowedZone"=dword:00000004

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\HTMLHelp\1.x\ItssRestrictions]
"UrlAllowList"="\\\\<network_path_root>;\\\\<network_path_root>\*;\\ies-inc.local;http://www.*;http://*;https://www.*;https://*;"

As an additional note, weirdly the "UrlAllowList" key was required to make this work on another PC but not my test one. It's probably not required at all but when I added it, it fixed the problem. The user may have not closed the original file or something like that. So just a consideration. I suggest try the least and test it, then add if needed. Once you confirm, you can deploy if needed. Good Luck!

Edit: P.S. Another method that worked was mapping the path to the network locally by using mklink /d (symbolic linking in Windows 7 or newer) but mapping a network drive letter (Z: for testing) did not work. Just food for thought and I did not have to 'Unblock' any files. Also the accepted 'Solution' did not resolve the issue for me.

A pool of threads means that all your threads are running, all the time – in other words, the thread function never returns. To give the threads something meaningful to do, you have to design a system of inter-thread communication, both for the purpose of telling the thread that there's something to do, as well as for communicating the actual work data.

Typically this will involve some kind of concurrent data structure, and each thread would presumably sleep on some kind of condition variable, which would be notified when there's work to do. Upon receiving the notification, one or several of the threads wake up, recover a task from the concurrent data structure, process it, and store the result in an analogous fashion.

The thread would then go on to check whether there's even more work to do, and if not go back to sleep.

The upshot is that you have to design all this yourself, since there isn't a natural notion of "work" that's universally applicable. It's quite a bit of work, and there are some subtle issues you have to get right. (You can program in Go if you like a system which takes care of thread management for you behind the scenes.)

var googleResponse = jQuery('#g-recaptcha-response').val();
if (!googleResponse) {
    $('<p style="color:red !important" class=error-captcha"><span class="glyphicon glyphicon-remove " ></span> Please fill up the captcha.</p>" ').insertAfter("#html_element");
    return false;
} else {            
    return true;
}

Put this in a function. Call this function on submit... #html_element is my empty div.

Use a case statement:

select id,
    case report.type
        when 'P' then amount
        when 'N' then -amount
    end as amount
from
    `report`

I tested this code and Works

Javascript

<script>
$(document).ready(function() {
  $('#summernote').summernote({
    height: 200,
    onImageUpload: function(files, editor, welEditable) {
      sendFile(files[0], editor, welEditable);
    }
  });

  function sendFile(file, editor, welEditable) {
    data = new FormData();
    data.append("file", file);
    $.ajax({
      data: data,
      type: "POST",
      url: "Your URL POST (php)",
      cache: false,
      contentType: false,
      processData: false,
      success: function(url) {
        editor.insertImage(welEditable, url);
      }
    });
  }
});
</script>

PHP

if ($_FILES['file']['name']) {
  if (!$_FILES['file']['error']) {
    $name = md5(rand(100, 200));
    $ext = pathinfo($_FILES['file']['name'], PATHINFO_EXTENSION);
    $filename = $name.
    '.'.$ext;
    $destination = '/assets/images/'.$filename; //change this directory
    $location = $_FILES["file"]["tmp_name"];
    move_uploaded_file($location, $destination);
    echo 'http://test.yourdomain.al/images/'.$filename; //change this URL
  } else {
    echo $message = 'Ooops!  Your upload triggered the following error:  '.$_FILES['file']['error'];
  }
}

Update:

After 0.7.0 onImageUpload should be inside callbacks option as mentioned by @tugberk

$('#summernote').summernote({
    height: 200,
    callbacks: {
        onImageUpload: function(files, editor, welEditable) {
            sendFile(files[0], editor, welEditable);
        }
    }
});

Normally, that is not an error per se; it is a warning that the first file it found that matches the -lPI-Http argument to the compiler/linker is not valid. The error occurs when no other library can be found with the right content.

So, you need to look to see whether /dvlpmnt/libPI-Http.a is a library of 32-bit object files or of 64-bit object files - it will likely be 64-bit if you are compiling with the -m32 option. Then you need to establish whether there is an alternative libPI-Http.a or libPI-Http.so file somewhere else that is 32-bit. If so, ensure that the directory that contains it is listed in a -L/some/where argument to the linker. If not, then you will need to obtain or build a 32-bit version of the library from somewhere.

To establish what is in that library, you may need to do:

mkdir junk
cd junk
ar x /dvlpmnt/libPI-Http.a
file *.o
cd ..
rm -fr junk

The 'file' step tells you what type of object files are in the archive. The rest just makes sure you don't make a mess that can't be easily cleaned up.

You can set data to session simply like this in Codeigniter:

$this->load->library('session');
$this->session->set_userdata(array(
    'user_id'  => $user->uid,
    'username' => $user->username,
    'groupid'  => $user->groupid,
    'date'     => $user->date_cr,
    'serial'   => $user->serial,
    'rec_id'   => $user->rec_id,
    'status'   => TRUE
));

and you can get it like this:

$u_rec_id = $this->session->userdata('rec_id');
$serial = $this->session->userdata('serial');

What you're looking for here is abstraction. Code against interfaces more and you should have to do less casting.

The example below is in C# but the concept remains the same.

using System;
using System.Collections.Generic;
using System.Reflection;

namespace GenericsTest
{
class MainClass
{
    public static void Main (string[] args)
    {
        _HasFriends jerry = new Mouse();
        jerry.AddFriend("spike", new Dog());
        jerry.AddFriend("quacker", new Duck());

        jerry.CallFriend<_Animal>("spike").Speak();
        jerry.CallFriend<_Animal>("quacker").Speak();
    }
}

interface _HasFriends
{
    void AddFriend(string name, _Animal animal);

    T CallFriend<T>(string name) where T : _Animal;
}

interface _Animal
{
    void Speak();
}

abstract class AnimalBase : _Animal, _HasFriends
{
    private Dictionary<string, _Animal> friends = new Dictionary<string, _Animal>();


    public abstract void Speak();

    public void AddFriend(string name, _Animal animal)
    {
        friends.Add(name, animal);
    }   

    public T CallFriend<T>(string name) where T : _Animal
    {
        return (T) friends[name];
    }
}

class Mouse : AnimalBase
{
    public override void Speak() { Squeek(); }

    private void Squeek()
    {
        Console.WriteLine ("Squeek! Squeek!");
    }
}

class Dog : AnimalBase
{
    public override void Speak() { Bark(); }

    private void Bark()
    {
        Console.WriteLine ("Woof!");
    }
}

class Duck : AnimalBase
{
    public override void Speak() { Quack(); }

    private void Quack()
    {
        Console.WriteLine ("Quack! Quack!");
    }
}
}

Quick answer: the FROM address must exactly match the account you are sending from, or you will get a error 5.7.1 Client does not have permissions to send as this sender.

My guess is that prevents email spoofing with your Office 365 account, otherwise you might be able to send as [email protected].

Another thing to try is in the authentication, fill in the third field with the domain, like

Dim smtpAuth = New System.Net.NetworkCredential(
    "TheDude", "hunter2password", "MicrosoftOffice365Domain.com")

If that doesn't work, double check that you can log into the account at: https://portal.microsoftonline.com

Yet another thing to note is your Antivirus solution may be blocking programmatic access to ports 25 and 587 as a anti-spamming solution. Norton and McAfee may silently block access to these ports. Only enabling Mail and Socket debugging will allow you to notice it (see below).

One last thing to note, the Send method is Asynchronous. If you call

Dispose

Detailed Answer: With Visual Studio (VB.NET or C# doesn't matter), I made a simple form with a button that created the Mail Message, similar to that above. Then I added this to the application.exe.config (in the bin/debug directory of my project). This enables the Output tab to have detailed debug info.

<?xml version="1.0" encoding="utf-8" ?>
<configuration>
    <system.diagnostics>
        <sources>
            <source name="System.Net">
                <listeners>
                    <add name="System.Net" />
                </listeners>
            </source>
            <source name="System.Net.Sockets">
                <listeners>
                    <add name="System.Net" />
                </listeners>
            </source>
        </sources>
        <switches>
            <add name="System.Net" value="Verbose" />
            <add name="System.Net.Sockets" value="Verbose" />
        </switches>
        <sharedListeners>
            <add name="System.Net"
              type="System.Diagnostics.TextWriterTraceListener"
              initializeData="System.Net.log"
            />
        </sharedListeners>
        <trace autoflush="true" />
    </system.diagnostics>
</configuration>

As all have mentioned it is

request.getHeader("referer");

I would like to add some more details about security aspect of referer header in contrast with accepted answer. In Open Web Application Security Project(OWASP) cheat sheets, under Cross-Site Request Forgery (CSRF) Prevention Cheat Sheet it mentions about importance of referer header.

More importantly for this recommended Same Origin check, a number of HTTP request headers can't be set by JavaScript because they are on the 'forbidden' headers list. Only the browsers themselves can set values for these headers, making them more trustworthy because not even an XSS vulnerability can be used to modify them.

The Source Origin check recommended here relies on three of these protected headers: Origin, Referer, and Host, making it a pretty strong CSRF defense all on its own.

You can refer Forbidden header list here. User agent(ie:browser) has the full control over these headers not the user.

map() doesn't return a list, it returns a map object.

You need to call list(map) if you want it to be a list again.

Even better,

from itertools import imap
payIntList = list(imap(int, payList))

Won't take up a bunch of memory creating an intermediate object, it will just pass the ints out as it creates them.

Also, you can do if choice.lower() == 'n': so you don't have to do it twice.

Python supports +=: you can do payIntList[i] += 1000 and numElements += 1 if you want.

If you really want to be tricky:

from itertools import count
for numElements in count(1):
    payList.append(raw_input("Enter the pay amount: "))
    if raw_input("Do you wish to continue(y/n)?").lower() == 'n':
         break

and / or

for payInt in payIntList:
    payInt += 1000
    print payInt

Also, four spaces is the standard indent amount in Python.

also one of the popular reasons maybe you miss to include the service file in your page

<script src="myservice.js"></script>

There is another solution :

DELETE t1 FROM my_table t1, my_table t2 WHERE t1.id < t2.id AND t1.my_field = t2.my_field AND t1.my_field_2 = t2.my_field_2 AND ...

I've located a solution that worked better for me, and which has the advantage of being usable with several images (case not illustrated in this example).

From @adeneo's answer on this question :

If you have an element with a background image, like this

<div id="test" style="background-image: url(link/to/image.png)"><div>

You can wait for the background to load by getting the image URL and using it for an image object in javascript with an onload handler

var src = $('#test').css('background-image');
var url = src.match(/\((.*?)\)/)[1].replace(/('|")/g,'');

var img = new Image();
img.onload = function() {
    alert('image loaded');
}
img.src = url;
if (img.complete) img.onload();

You can use reflect.DeepEqual, or you can implement your own function (which performance wise would be better than using reflection):

http://play.golang.org/p/CPdfsYGNy_

m1 := map[string]int{   
    "a":1,
    "b":2,
}
m2 := map[string]int{   
    "a":1,
    "b":2,
}
fmt.Println(reflect.DeepEqual(m1, m2))

I've used this library before which does a pretty good job of what you're after. Specifically:-

qs.contains(name)
    Returns true if the querystring has a parameter name, else false.

    if (qs2.contains("name1")){ alert(qs2.get("name1"));}

Just to add another flavor from the Reuben response, I use it like this to add or remove this rule according to a condition:

    RelativeLayout.LayoutParams layoutParams =
            (RelativeLayout.LayoutParams) holder.txtGuestName.getLayoutParams();

    if (SOMETHING_THAT_WOULD_LIKE_YOU_TO_CHECK) {
        // if true center text:
        layoutParams.addRule(RelativeLayout.CENTER_IN_PARENT);
        holder.txtGuestName.setLayoutParams(layoutParams);
    } else {
        // if false remove center:
        layoutParams.addRule(RelativeLayout.CENTER_IN_PARENT, 0);
        holder.txtGuestName.setLayoutParams(layoutParams);
    }

Your problem is that when you do this:

a = Button(win, text="plant", command=setText("plant"))

it tries to evaluate what to set for the command. So when instantiating the Button object, it actually calls setText("plant"). This is wrong, because you don't want to call the setText method yet. Then it takes the return value of this call (which is None), and sets that to the command of the button. That's why clicking the button does nothing, because there is no command set for it.

If you do as Milan Skála suggested and use a lambda expression instead, then your code will work (assuming you fix the indentation and the parentheses).

Instead of command=setText("plant"), which actually calls the function, you can set command=lambda:setText("plant") which specifies something which will call the function later, when you want to call it.

If you don't like lambdas, another (slightly more cumbersome) way would be to define a pair of functions to do what you want:

def set_to_plant():
    set_text("plant")
def set_to_animal():
    set_text("animal")

and then you can use command=set_to_plant and command=set_to_animal - these will evaluate to the corresponding functions, but are definitely not the same as command=set_to_plant() which would of course evaluate to None again.

For Unicode support:

public class HexadecimalEncoding
{
    public static string ToHexString(string str)
    {
        var sb = new StringBuilder();

        var bytes = Encoding.Unicode.GetBytes(str);
        foreach (var t in bytes)
        {
            sb.Append(t.ToString("X2"));
        }

        return sb.ToString(); // returns: "48656C6C6F20776F726C64" for "Hello world"
    }

    public static string FromHexString(string hexString)
    {
        var bytes = new byte[hexString.Length / 2];
        for (var i = 0; i < bytes.Length; i++)
        {
            bytes[i] = Convert.ToByte(hexString.Substring(i * 2, 2), 16);
        }

        return Encoding.Unicode.GetString(bytes); // returns: "Hello world" for "48656C6C6F20776F726C64"
    }
}

I found solution. It works fine when I throw away next line from form:

enctype="multipart/form-data"

And now it pass all parameters at request ok:

 <form action="/registration" method="post">
   <%-- error messages --%>
   <div class="form-group">
    <c:forEach items="${registrationErrors}" var="error">
    <p class="error">${error}</p>
     </c:forEach>
   </div>

You can do this all within your controller by using the $window service here. $window is a wrapper around the global browser object window.

To make this work inject $window into you controller as follows

.controller('exampleCtrl', ['$scope', '$window',
    function($scope, $window) {
        $scope.redirectToGoogle = function(){
            $window.open('https://www.google.com', '_blank');
        };
    }
]);

this works well when redirecting to dynamic routes

go through the below coding to get the separate group replacement.

new_bib = Regex.Replace(new_bib, @"(?s)(\\bibitem\[[^\]]+\]\{" + pat4 + @"\})[\s\n\v]*([\\\{\}a-zA-Z\.\s\,\;\\\#\\\$\\\%\\\&\*\@\\\!\\\^+\-\\\=\\\~\\\:\\\" + dblqt + @"\\\;\\\`\\\']{20,70})", delegate(Match mts)
                    {
                           var fg = mts.Groups[0].Value.ToString(); 
                           var fs = mts.Groups[1].Value.ToString();
                           var fss = mts.Groups[2].Value.ToString();
                               fss = Regex.Replace(fss, @"[\\\{\}\\\#\\\$\\\%\\\&\*\@\\\!\\\^+\-\\\=\\\~\\\:\\\" + dblqt + @"\\\;\\\`\\\']+", "");
                           return "<augroup>" + fss + "</augroup>" + fs;
                    }, RegexOptions.IgnoreCase);

The problem is that your Python version and the library you want to use are not same versionally (Python). Even if you install Python's latest version, your PATH might not change properly and automatically. Thus, you should change it manually.After matching their version, it will work.

Ex: When I tried to install Django3, I got same error. I noticed that my PATH still seems C:\python27\Scripts though I already install Python3.8, so that I manually edited my PATH C:\python38\Scripts and reinstalled pip install Django and everything worked well.

For the instance of

render :json => @projects, :include => :tasks

You are stating that you want to render @projects as JSON, and include the association tasks on the Project model in the exported data.

For the instance of

render :json => @projects, :callback => 'updateRecordDisplay'

You are stating that you want to render @projects as JSON, and wrap that data in a javascript call that will render somewhat like:

updateRecordDisplay({'projects' => []})

This allows the data to be sent to the parent window and bypass cross-site forgery issues.

Jenkins: Multiple SCM - deprecated. GIT Plugin - doesn't work for multiple repos.

Scripting / pipeline as code - is the way to go.

Hariprasad didupe suggested a solution provided by Batchography, but it could be improved a bit. Unlike with other cases getting into default case will set ERRORLEVEL to 1 and, if that is not desired, you should manually set ERRORLEVEL to 0:

goto :switch-case-N-%N% 2>nul || (
    rem Default case
    rem Manually set ERRORLEVEL to 0 
    type nul>nul
    echo Something else
)
...

The readability could be improved for the price of a call overhead:

call:Switch SwitchLabel %N% || (
:SwitchLabel-1
    echo One
    goto:EOF     
:SwitchLabel-2
    echo Two
    goto:EOF
:SwitchLabel-3
    echo Three
    goto:EOF
:SwitchLabel-
    echo Default case
)

:Switch
goto:%1-%2 2>nul || (
    type nul>nul
    goto:%1-
)
exit /b

Few things to note:

1. As stated before, this has a call overhead;
2. Default case is required. If no action is needed put rem inside to avoid parenthesis error;
3. All cases except the default one are executed in the sub-context. If you want to exit parent context (usually script) you may use this;
4. Default case is executed in a parent context, so it cannot be combined with other cases (as reaching goto:EOF will exit parent context). This could be circumvented by replacing goto:%1- in subroutine with call:%1- for the price of additional call overhead;
5. Subroutine takes label prefix (sans hyphen) and control variable. Without label prefix switch will look for labels with :- prefix (which are valid) and not passing a control variable will lead to default case.

When I ran into this error, I spent hours trying to find a solution.

My issue was that when I went to save the file I had accidentally hit the key stroke "G" in the web.config. I had a straggler Character just sittings outside, so the web.config did not know how to interpret the improperly formatted data.

Hope this helps.

public void AnalyseArray(ArrayList<Integer> array) {
  // Do something
}
...
ArrayList<Integer> A = new ArrayList<Integer>();
AnalyseArray(A);

Using implode(), you can turn the array into a string.

$str = implode(',', $array); // 33160,33280,33180,...

public List<DealsCategory> DealCategory { get; set; }
int categoryid = Convert.ToInt16(dealsModel.DealCategory.Select(x => x.Id));

Try this:

def date = Date.parse("E MMM dd H:m:s z yyyy", dateStr)

Here are the patterns to format the dates

Using the C++ API, the function name has slightly changed and it writes now:

#include <opencv2/imgproc/imgproc.hpp>

cv::Mat greyMat, colorMat;
cv::cvtColor(colorMat, greyMat, CV_BGR2GRAY);

The main difficulties are that the function is in the imgproc module (not in the core), and by default cv::Mat are in the Blue Green Red (BGR) order instead of the more common RGB.

OpenCV 3

Starting with OpenCV 3.0, there is yet another convention. Conversion codes are embedded in the namespace cv:: and are prefixed with COLOR. So, the example becomes then:

#include <opencv2/imgproc/imgproc.hpp>

cv::Mat greyMat, colorMat;
cv::cvtColor(colorMat, greyMat, cv::COLOR_BGR2GRAY);

As far as I have seen, the included file path hasn't changed (this is not a typo).

The best way to do this is avoid base *apply functions, which coerces the entire data frame to an array, possibly losing information.

If you wanted to apply a function as.numeric to every column, a simple way is using mutate_all from dplyr:

t %>% mutate_all(as.numeric)

Alternatively use colwise from plyr, which will "turn a function that operates on a vector into a function that operates column-wise on a data.frame."

t %>% (colwise(as.numeric))

In the special case of reading in a data table of character vectors and coercing columns into the correct data type, use type.convert or type_convert from readr.

Less interesting answer: we can apply on each column with a for-loop:

for (i in 1:nrow(t)) { t[, i] <- parse_guess(t[, i]) }

I don't know of a good way of doing assignment with *apply while preserving data frame structure.

To rename a table you can use:

RENAME mytable TO othertable;

or

ALTER TABLE mytable RENAME TO othertable;

or, if owned by another schema:

ALTER TABLE owner.mytable RENAME TO othertable;

Interestingly, ALTER VIEW does not support renaming a view. You can, however:

RENAME myview TO otherview;

The RENAME command works for tables, views, sequences and private synonyms, for your own schema only.

If the view is not in your schema, you can recompile the view with the new name and then drop the old view.

(tested in Oracle 10g)

To be nullsafe, you can use

org.apache.commons.lang.StringUtils.equalsIgnoreCase(String, String)

or

org.apache.commons.lang3.StringUtils.equalsIgnoreCase(CharSequence, CharSequence)

[Quick Answer]

You can use this command to clone your repo with all the submodules:

git clone --recursive YOUR-GIT-REPO-URL

Or if you have already cloned the project, you can use:

git submodule init
git submodule update

<select v-model="challan.warehouse_id">
<option value="">Select Warehouse</option>
<option v-for="warehouse in warehouses" v-bind:value="warehouse.id"  >
   {{ warehouse.name }}
</option>

Here "challan.warehouse_id" come from "challan" object you get from:

editChallan: function() {
    let that = this;
    axios.post('/api/challan_list/get_challan_data', {
    challan_id: that.challan_id
 })
 .then(function (response) {
    that.challan = response.data;
 })
 .catch(function (error) {
    that.errors = error;
  }); 
 }

Use "javascript.validate.enable": false in your VS Code settings, It doesn't disable ESLINT. I use both ESLINT & Flow. Simply follow the instructions Flow For Vs Code Setup

Adding this line in settings.json. Helps "javascript.validate.enable": false

Firstly create app.js file in the directory you want to publish.

var http = require('http');
var fs = require('fs');
var mime = require('mime');
http.createServer(function(req,res){
    if (req.url != '/app.js') {
    var url = __dirname + req.url;
        fs.stat(url,function(err,stat){
            if (err) {
            res.writeHead(404,{'Content-Type':'text/html'});
            res.end('Your requested URI('+req.url+') wasn\'t found on our server');
            } else {
            var type = mime.getType(url);
            var fileSize = stat.size;
            var range = req.headers.range;
                if (range) {
                    var parts = range.replace(/bytes=/, "").split("-");
                var start = parseInt(parts[0], 10);
                    var end = parts[1] ? parseInt(parts[1], 10) : fileSize-1;
                    var chunksize = (end-start)+1;
                    var file = fs.createReadStream(url, {start, end});
                    var head = {
                'Content-Range': `bytes ${start}-${end}/${fileSize}`,
                'Accept-Ranges': 'bytes',
                'Content-Length': chunksize,
                'Content-Type': type
                }
                    res.writeHead(206, head);
                    file.pipe(res);
                    } else {    
                    var head = {
                'Content-Length': fileSize,
                'Content-Type': type
                    }
                res.writeHead(200, head);
                fs.createReadStream(url).pipe(res);
                    }
            }
        });
    } else {
    res.writeHead(403,{'Content-Type':'text/html'});
    res.end('Sorry, access to that file is Forbidden');
    }
}).listen(8080);

Simply run node app.js and your server shall be running on port 8080. Besides video it can stream all kinds of files.

It depends on what you mean:

• As mentioned String.hashCode() gives you a 32 bit hash code.

• If you want (say) a 64-bit hashcode you can easily implement it yourself.

• If you want a cryptographic hash of a String, the Java crypto libraries include implementations of MD5, SHA-1 and so on. You'll typically need to turn the String into a byte array, and then feed that to the hash generator / digest generator. For example, see @Bryan Kemp's answer.

• If you want a guaranteed unique hash code, you are out of luck. Hashes and hash codes are non-unique.

A Java String of length N has 65536 ^ N possible states, and requires an integer with 16 * N bits to represent all possible values. If you write a hash function that produces integer with a smaller range (e.g. less than 16 * N bits), you will eventually find cases where more than one String hashes to the same integer; i.e. the hash codes cannot be unique. This is called the Pigeonhole Principle, and there is a straight forward mathematical proof. (You can't fight math and win!)

But if "probably unique" with a very small chance of non-uniqueness is acceptable, then crypto hashes are a good answer. The math will tell you how big (i.e. how many bits) the hash has to be to achieve a given (low enough) probability of non-uniqueness.

The right way

cin.get();

cin.get() is C++ compliant, and portable. It will retrieve the next character from the standard input (stdin). The user can press enter and your program will then continue to execute, or terminate in our case.

Microsoft's take

Microsoft has a Knowledge Base Article titled Preventing the Console Window from Disappearing. It describes how to pause execution only when necessary, i.e. only when the user has spawned a new console window by executing the program from explorer. The code is in C which I've reproduced here:

#include <windows.h>
#include <stdio.h>
#include <conio.h>

CONSOLE_SCREEN_BUFFER_INFO csbi;
HANDLE hStdOutput;
BOOL bUsePause;

void main(void)
{
        hStdOutput = GetStdHandle(STD_OUTPUT_HANDLE);
        if (!GetConsoleScreenBufferInfo(hStdOutput, &csbi))
        {
                printf("GetConsoleScreenBufferInfo failed: %d\n", GetLastError());
                return;
        }

        // if cursor position is (0,0) then use pause
        bUsePause = ((!csbi.dwCursorPosition.X) &&
                     (!csbi.dwCursorPosition.Y));

        printf("Interesting information to read.\n");
        printf("More interesting information to read.\n");

        // only pause if running in separate console window.
        if (bUsePause)
        {
                int ch;
                printf("\n\tPress any key to exit...\n");
                ch = getch();
        }
}

I've used this myself and it's a nice way to do it, under windows only of course. Note also you can achieve this non-programatically under windows by launching your program with this command:

cmd /K consoleapp.exe

The wrong way

Do not use any of the following to achieve this:

system("PAUSE");

This will execute the windows command 'pause' by spawning a new cmd.exe/command.com process within your program. This is both completely unnecessary and also non-portable since the pause command is windows-specific. Unfortunately I've seen this a lot.

getch();

This is not a part of the C/C++ standard library. It is just a compiler extension and some compilers won't support it.

On a generic note, you can use a combination of ng-if and ng-style incorporate conditional changes with change in background image.

<span ng-if="selectedItem==item.id"
      ng-style="{'background-image':'url(../images/'+'{{item.id}}'+'_active.png)',
                'background-size':'52px 57px',
                'padding-top':'70px',
                'background-repeat':'no-repeat',
                'background-position': 'center'}">
 </span>
 <span ng-if="selectedItem!=item.id"
       ng-style="{'background-image':'url(../images/'+'{{item.id}}'+'_deactivated.png)',
                'background-size':'52px 57px',
                'padding-top':'70px',
                'background-repeat':'no-repeat',
                'background-position': 'center'}">
 </span>

Using list comprehension in python and basic map function utility, one can do this also:

chi = [x for x in map(chr,[66,53,0,94])]

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 :)

From Wikipedia (granularity):

Granularity is the extent to which a system is broken down into small parts, either the system itself or its description or observation. It is the extent to which a larger entity is subdivided. For example, a yard broken into inches has finer granularity than a yard broken into feet.

Coarse-grained systems consist of fewer, larger components than fine-grained systems; a coarse-grained description of a system regards large subcomponents while a fine-grained description regards smaller components of which the larger ones are composed.

I'm not sure what the rest of your Javascript looks like, so I won't be able to tell if there is any interference. But .hover() works just fine as an event with .on().

$("#foo").on("hover", function() {
  // disco
});

If you want to be able to utilize its events, use the returned object from the event:

$("#foo").on("hover", function(e) {
  if(e.type == "mouseenter") {
    console.log("over");
  }
  else if (e.type == "mouseleave") {
    console.log("out");
  }
});

http://jsfiddle.net/hmUPP/2/

Simple workaround:

All, or nearly all css file can be also interpreted as if it would be scss. It also enables to import them inside a block. Rename the css to scss, and import it so.

In my actual configuration I do the following:

First I copy the .css file into a temporary one, this time with .scss extension. Grunt example config:

copy: {
    dev: {
        files: [
            {
                src: "node_modules/some_module/some_precompiled.css",
                dest: "target/resources/some_module_styles.scss"
            }
        ]
    }
}

Then you can import the .scss file from your parent scss (in my example, it is even imported into a block):

my-selector {
  @import "target/resources/some_module_styles.scss";
  ...other rules...
}

Note: this could be dangerous, because it will effectively result that the css will be parsed multiple times. Check your original css for that it contains any scss-interpretable artifact (it is improbable, but if it happen, the result will be hard to debug and dangerous).

The for loop is getting one extra run. Change

for (x=0;x<=InvForm.SelBranch.length;x++)

to

for (x=0; x < InvForm.SelBranch.length; x++)

Install NSSM and run the .bat file as a windows service. Works as expected

If any one is interested here is what query is executed by psql on postgres 9.1:

SELECT n.nspname as "Schema",
  p.proname as "Name",
  pg_catalog.pg_get_function_result(p.oid) as "Result data type",
  pg_catalog.pg_get_function_arguments(p.oid) as "Argument data types",
 CASE
  WHEN p.proisagg THEN 'agg'
  WHEN p.proiswindow THEN 'window'
  WHEN p.prorettype = 'pg_catalog.trigger'::pg_catalog.regtype THEN 'trigger'
  ELSE 'normal'
 END as "Type"
FROM pg_catalog.pg_proc p
     LEFT JOIN pg_catalog.pg_namespace n ON n.oid = p.pronamespace
WHERE pg_catalog.pg_function_is_visible(p.oid)
      AND n.nspname <> 'pg_catalog'
      AND n.nspname <> 'information_schema'
ORDER BY 1, 2, 4;

You can get what psql runs for a backslash command by running psql with the -E flag.

Felt the need to add this better answer, as nothing except BackgroundWorker seemed to help me, and the answer dealing with that thus far was woefully incomplete. This is how you would update a XAML page called MainWindow that has an Image tag like this:

<Image Name="imgNtwkInd" Source="Images/network_on.jpg" Width="50" />

with a BackgroundWorker process to show if you are connected to the network or not:

using System.ComponentModel;
using System.Windows;
using System.Windows.Controls;

public partial class MainWindow : Window
{
    private BackgroundWorker bw = new BackgroundWorker();

    public MainWindow()
    {
        InitializeComponent();

        // Set up background worker to allow progress reporting and cancellation
        bw.WorkerReportsProgress = true;
        bw.WorkerSupportsCancellation = true;

        // This is your main work process that records progress
        bw.DoWork += new DoWorkEventHandler(SomeClass.DoWork);

        // This will update your page based on that progress
        bw.ProgressChanged += new ProgressChangedEventHandler(bw_ProgressChanged);

        // This starts your background worker and "DoWork()"
        bw.RunWorkerAsync();

        // When this page closes, this will run and cancel your background worker
        this.Closing += new CancelEventHandler(Page_Unload);
    }

    private void bw_ProgressChanged(object sender, ProgressChangedEventArgs e)
    {
        BitmapImage bImg = new BitmapImage();
        bool connected = false;
        string response = e.ProgressPercentage.ToString(); // will either be 1 or 0 for true/false -- this is the result recorded in DoWork()

        if (response == "1")
            connected = true;

        // Do something with the result we got
        if (!connected)
        {
            bImg.BeginInit();
            bImg.UriSource = new Uri("Images/network_off.jpg", UriKind.Relative);
            bImg.EndInit();
            imgNtwkInd.Source = bImg;
        }
        else
        {
            bImg.BeginInit();
            bImg.UriSource = new Uri("Images/network_on.jpg", UriKind.Relative);
            bImg.EndInit();
            imgNtwkInd.Source = bImg;
        }
    }

    private void Page_Unload(object sender, CancelEventArgs e)
    {
        bw.CancelAsync();  // stops the background worker when unloading the page
    }
}


public class SomeClass
{
    public static bool connected = false;

    public void DoWork(object sender, DoWorkEventArgs e)
    {
        BackgroundWorker bw = sender as BackgroundWorker;

        int i = 0;
        do 
        {
            connected = CheckConn();  // do some task and get the result

            if (bw.CancellationPending == true)
            {
                e.Cancel = true;
                break;
            }
            else
            {
                Thread.Sleep(1000);
                // Record your result here
                if (connected)
                    bw.ReportProgress(1);
                else
                    bw.ReportProgress(0);
            }
        }
        while (i == 0);
    }

    private static bool CheckConn()
    {
        bool conn = false;
        Ping png = new Ping();
        string host = "SomeComputerNameHere";

        try
        {
            PingReply pngReply = png.Send(host);
            if (pngReply.Status == IPStatus.Success)
                conn = true;
        }
        catch (PingException ex)
        {
            // write exception to log
        }
        return conn;
    }
}

For more information: https://msdn.microsoft.com/en-us/library/cc221403(v=VS.95).aspx

public static class ExceptByProperty
{
    public static List<T> ExceptBYProperty<T, TProperty>(this List<T> list, List<T> list2, Expression<Func<T, TProperty>> propertyLambda)
    {
        Type type = typeof(T);

        MemberExpression member = propertyLambda.Body as MemberExpression;

        if (member == null)
            throw new ArgumentException(string.Format(
                "Expression '{0}' refers to a method, not a property.",
                propertyLambda.ToString()));

        PropertyInfo propInfo = member.Member as PropertyInfo;
        if (propInfo == null)
            throw new ArgumentException(string.Format(
                "Expression '{0}' refers to a field, not a property.",
                propertyLambda.ToString()));

        if (type != propInfo.ReflectedType &&
            !type.IsSubclassOf(propInfo.ReflectedType))
            throw new ArgumentException(string.Format(
                "Expresion '{0}' refers to a property that is not from type {1}.",
                propertyLambda.ToString(),
                type));
        Func<T, TProperty> func = propertyLambda.Compile();
        var ids = list2.Select<T, TProperty>(x => func(x)).ToArray();
        return list.Where(i => !ids.Contains(((TProperty)propInfo.GetValue(i, null)))).ToList();
    }
}

public class testClass
{
    public int ID { get; set; }
    public string Name { get; set; }
}

For Test this:

        List<testClass> a = new List<testClass>();
        List<testClass> b = new List<testClass>();
        a.Add(new testClass() { ID = 1 });
        a.Add(new testClass() { ID = 2 });
        a.Add(new testClass() { ID = 3 });
        a.Add(new testClass() { ID = 4 });
        a.Add(new testClass() { ID = 5 });

        b.Add(new testClass() { ID = 3 });
        b.Add(new testClass() { ID = 5 });
        a.Select<testClass, int>(x => x.ID);

        var items = a.ExceptBYProperty(b, u => u.ID);

All these answers and none worked for me... I'm no flexbox expert, but this was reasonably easy to figure out, it is simple and easy to understand and use. To separate something from the rest of the content, insert an empty div and let it grow to fill the space.

https://jsfiddle.net/8sfeLmgd/1/

.myContainer {
  display: flex;
  height: 250px;
  flex-flow: column;
}

.filler {
  flex: 1 1;
}

<div class="myContainer">
  <div>Top</div>
  <div class="filler"></div>
  <div>Bottom</div>
</div>

This reacts as expected when the bottom content is not fixed sized also when the container is not fixed sized.

What is also useful, if you use it for Machine_learning and want to seperate always the same data, you could use:

df.sample(n=len(df), random_state=42)

this makes sure, that you keep your random choice always replicatable

you just make a list of lists like so:

List<List<string>> results = new List<List<string>>();

and then it's just a matter of using the functionality you want

results.Add(new List<string>()); //adds a new list to your list of lists
results[0].Add("this is a string"); //adds a string to the first list
results[0][0]; //gets the first string in your first list

As you have it, the argument w is expecting a value after -w on the command line. If you are just looking to flip a switch by setting a variable True or False, have a look here (specifically store_true and store_false)

import argparse

parser = argparse.ArgumentParser()
parser.add_argument('-w', action='store_true')

where action='store_true' implies default=False.

Conversely, you could haveaction='store_false', which implies default=True.

Why not just use .show()/.hide() instead?

$("#menu").hover(function(){
    $('.flyout').show();
},function(){
    $('.flyout').hide();
});

As mentioned in several other answers, mutation events have been deprecated, so you should use MutationObserver instead. Since nobody has given any details on that yet, here it goes...

Basic JavaScript API

The API for MutationObserver is fairly simple. It's not quite as simple as the mutation events, but it's still okay.

function callback(records) {_x000D_
  records.forEach(function (record) {_x000D_
    var list = record.addedNodes;_x000D_
    var i = list.length - 1;_x000D_
    _x000D_
 for ( ; i > -1; i-- ) {_x000D_
   if (list[i].nodeName === 'SELECT') {_x000D_
     // Insert code here..._x000D_
     console.log(list[i]);_x000D_
   }_x000D_
 }_x000D_
  });_x000D_
}_x000D_
_x000D_
var observer = new MutationObserver(callback);_x000D_
_x000D_
var targetNode = document.body;_x000D_
_x000D_
observer.observe(targetNode, { childList: true, subtree: true });

<script>_x000D_
  // For testing_x000D_
  setTimeout(function() {_x000D_
    var $el = document.createElement('select');_x000D_
    document.body.appendChild($el);_x000D_
  }, 500);_x000D_
</script>

Let's break that down.

var observer = new MutationObserver(callback);

This creates the observer. The observer isn't watching anything yet; this is just where the event listener gets attached.

observer.observe(targetNode, { childList: true, subtree: true });

This makes the observer start up. The first argument is the node that the observer will watch for changes on. The second argument is the options for what to watch for.

• childList means I want to watch for child elements being added or removed.
• subtree is a modifier that extends childList to watch for changes anywhere in this element's subtree (otherwise, it would just look at changes directly within targetNode).

The other two main options besides childList are attributes and characterData, which mean about what they sound like. You must use one of those three.

function callback(records) {
  records.forEach(function (record) {

Things get a little tricky inside the callback. The callback receives an array of MutationRecords. Each MutationRecord can describe several changes of one type (childList, attributes, or characterData). Since I only told the observer to watch for childList, I won't bother checking the type.

var list = record.addedNodes;

Right here I grab a NodeList of all the child nodes that were added. This will be empty for all the records where nodes aren't added (and there may be many such records).

From there on, I loop through the added nodes and find any that are <select> elements.

Nothing really complex here.

jQuery

...but you asked for jQuery. Fine.

(function($) {

  var observers = [];

  $.event.special.domNodeInserted = {

    setup: function setup(data, namespaces) {
      var observer = new MutationObserver(checkObservers);

      observers.push([this, observer, []]);
    },

    teardown: function teardown(namespaces) {
      var obs = getObserverData(this);

      obs[1].disconnect();

      observers = $.grep(observers, function(item) {
        return item !== obs;
      });
    },

    remove: function remove(handleObj) {
      var obs = getObserverData(this);

      obs[2] = obs[2].filter(function(event) {
        return event[0] !== handleObj.selector && event[1] !== handleObj.handler;
      });
    },

    add: function add(handleObj) {
      var obs = getObserverData(this);

      var opts = $.extend({}, {
        childList: true,
        subtree: true
      }, handleObj.data);

      obs[1].observe(this, opts);

      obs[2].push([handleObj.selector, handleObj.handler]);
    }
  };

  function getObserverData(element) {
    var $el = $(element);

    return $.grep(observers, function(item) {
      return $el.is(item[0]);
    })[0];
  }

  function checkObservers(records, observer) {
    var obs = $.grep(observers, function(item) {
      return item[1] === observer;
    })[0];

    var triggers = obs[2];

    var changes = [];

    records.forEach(function(record) {
      if (record.type === 'attributes') {
        if (changes.indexOf(record.target) === -1) {
          changes.push(record.target);
        }

        return;
      }

      $(record.addedNodes).toArray().forEach(function(el) {
        if (changes.indexOf(el) === -1) {
          changes.push(el);
        }
      })
    });

    triggers.forEach(function checkTrigger(item) {
      changes.forEach(function(el) {
        var $el = $(el);

        if ($el.is(item[0])) {
          $el.trigger('domNodeInserted');
        }
      });
    });
  }

})(jQuery);

This creates a new event called domNodeInserted, using the jQuery special events API. You can use it like so:

$(document).on("domNodeInserted", "select", function () {
  $(this).combobox();
});

I would personally suggest looking for a class because some libraries will create select elements for testing purposes.

Naturally, you can also use .off("domNodeInserted", ...) or fine-tune the watching by passing in data like this:

$(document.body).on("domNodeInserted", "select.test", {
  attributes: true,
  subtree: false
}, function () {
  $(this).combobox();
});

This would trigger checking for the appearance of a select.test element whenever attributes changed for elements directly inside the body.

You can see it live below or on jsFiddle.

(function($) {_x000D_
  $(document).on("domNodeInserted", "select", function() {_x000D_
    console.log(this);_x000D_
    //$(this).combobox();_x000D_
  });_x000D_
})(jQuery);

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
_x000D_
<script>_x000D_
  // For testing_x000D_
  setTimeout(function() {_x000D_
    var $el = document.createElement('select');_x000D_
    document.body.appendChild($el);_x000D_
  }, 500);_x000D_
</script>_x000D_
_x000D_
<script>_x000D_
  (function($) {_x000D_
_x000D_
    var observers = [];_x000D_
_x000D_
    $.event.special.domNodeInserted = {_x000D_
_x000D_
      setup: function setup(data, namespaces) {_x000D_
        var observer = new MutationObserver(checkObservers);_x000D_
_x000D_
        observers.push([this, observer, []]);_x000D_
      },_x000D_
_x000D_
      teardown: function teardown(namespaces) {_x000D_
        var obs = getObserverData(this);_x000D_
_x000D_
        obs[1].disconnect();_x000D_
_x000D_
        observers = $.grep(observers, function(item) {_x000D_
          return item !== obs;_x000D_
        });_x000D_
      },_x000D_
_x000D_
      remove: function remove(handleObj) {_x000D_
        var obs = getObserverData(this);_x000D_
_x000D_
        obs[2] = obs[2].filter(function(event) {_x000D_
          return event[0] !== handleObj.selector && event[1] !== handleObj.handler;_x000D_
        });_x000D_
      },_x000D_
_x000D_
      add: function add(handleObj) {_x000D_
        var obs = getObserverData(this);_x000D_
_x000D_
        var opts = $.extend({}, {_x000D_
          childList: true,_x000D_
          subtree: true_x000D_
        }, handleObj.data);_x000D_
_x000D_
        obs[1].observe(this, opts);_x000D_
_x000D_
        obs[2].push([handleObj.selector, handleObj.handler]);_x000D_
      }_x000D_
    };_x000D_
_x000D_
    function getObserverData(element) {_x000D_
      var $el = $(element);_x000D_
_x000D_
      return $.grep(observers, function(item) {_x000D_
        return $el.is(item[0]);_x000D_
      })[0];_x000D_
    }_x000D_
_x000D_
    function checkObservers(records, observer) {_x000D_
      var obs = $.grep(observers, function(item) {_x000D_
        return item[1] === observer;_x000D_
      })[0];_x000D_
_x000D_
      var triggers = obs[2];_x000D_
_x000D_
      var changes = [];_x000D_
_x000D_
      records.forEach(function(record) {_x000D_
        if (record.type === 'attributes') {_x000D_
          if (changes.indexOf(record.target) === -1) {_x000D_
            changes.push(record.target);_x000D_
          }_x000D_
_x000D_
          return;_x000D_
        }_x000D_
_x000D_
        $(record.addedNodes).toArray().forEach(function(el) {_x000D_
          if (changes.indexOf(el) === -1) {_x000D_
            changes.push(el);_x000D_
          }_x000D_
        })_x000D_
      });_x000D_
_x000D_
      triggers.forEach(function checkTrigger(item) {_x000D_
        changes.forEach(function(el) {_x000D_
          var $el = $(el);_x000D_
_x000D_
          if ($el.is(item[0])) {_x000D_
            $el.trigger('domNodeInserted');_x000D_
          }_x000D_
        });_x000D_
      });_x000D_
    }_x000D_
_x000D_
  })(jQuery);_x000D_
</script>

Note

This jQuery code is a fairly basic implementation. It does not trigger in cases where modifications elsewhere make your selector valid.

For example, suppose your selector is .test select and the document already has a <select>. Adding the class test to <body> will make the selector valid, but because I only check record.target and record.addedNodes, the event would not fire. The change has to happen to the element you wish to select itself.

This could be avoided by querying for the selector whenever mutations happen. I chose not to do that to avoid causing duplicate events for elements that had already been handled. Properly dealing with adjacent or general sibling combinators would make things even trickier.

For a more comprehensive solution, see https://github.com/pie6k/jquery.initialize, as mentioned in Damien Ó Ceallaigh's answer. However, the author of that library has announced that the library is old and suggests that you shouldn't use jQuery for this.

Issue because connection establishment or communication with a client failed to complete within the allotted time interval. This may be a result of network or system delays.

Like this: .

The . means any character except newline (which sometimes is but often isn't included, check your regex flavour).

You can rewrite your expression as ^.{1,35}$, which should match any line of length 1-35.

function unite(arr1, arr2, arr3) {
 newArr=arr1.concat(arr2).concat(arr3);

 a=newArr.filter(function(value){
   return !arr1.some(function(value2){
      return value == value2;
   });
 });

console.log(arr1.concat(a));

}//This is for Sorted union following the order :)

I came across the situation where I met a condition that broke the loop, however the code after the .each() function still executed. I then set a flag to "true" with an immediate check for the flag after the .each() function to ensure the code that followed was not executed.

$('.groupName').each(function() {
    if($(this).text() == groupname){
        alert('This group already exists');
        breakOut = true;
        return false;
    }
});
if(breakOut) {
    breakOut = false;
    return false;
} 

For ListBox / DropDown in MVC5 - i've found this to work for me sofar:

in Model:

[Required(ErrorMessage = "- Select item -")]
 public List<string> SelectedItem { get; set; }
 public List<SelectListItem> AvailableItemsList { get; set; }

in View:

@Html.ListBoxFor(model => model.SelectedItem, Model.AvailableItemsList)
@Html.ValidationMessageFor(model => model.SelectedItem, "", new { @class = "text-danger" })

I had the same issue and I resolved it with MySQL workbench, as shown in the attached screenshot:

1. in the navigator (on the left side), under the section "management", click on "Status and System variables",
2. then choose "system variables" (tab at the top),
3. then search for "connection" in the search field,
4. and 5. you will see two fields that need to be adjusted to fit your needs (max_connections and mysqlx_max_connections).

Hope that helps!

The system does not allow me to upload pictures, instead please click on this link and you can see my screenshot...

In my case the underlying system account through which the package was running was locked out. Once we got the system account unlocked and reran the package, it executed successfully. The developer said that he got to know of this while debugging wherein he directly tried to connect to the server and check the status of the connection.

Normality tests don't do what most think they do. Shapiro's test, Anderson Darling, and others are null hypothesis tests AGAINST the the assumption of normality. These should not be used to determine whether to use normal theory statistical procedures. In fact they are of virtually no value to the data analyst. Under what conditions are we interested in rejecting the null hypothesis that the data are normally distributed? I have never come across a situation where a normal test is the right thing to do. When the sample size is small, even big departures from normality are not detected, and when your sample size is large, even the smallest deviation from normality will lead to a rejected null.

For example:

> set.seed(100)
> x <- rbinom(15,5,.6)
> shapiro.test(x)

    Shapiro-Wilk normality test

data:  x 
W = 0.8816, p-value = 0.0502

> x <- rlnorm(20,0,.4)
> shapiro.test(x)

    Shapiro-Wilk normality test

data:  x 
W = 0.9405, p-value = 0.2453

So, in both these cases (binomial and lognormal variates) the p-value is > 0.05 causing a failure to reject the null (that the data are normal). Does this mean we are to conclude that the data are normal? (hint: the answer is no). Failure to reject is not the same thing as accepting. This is hypothesis testing 101.

But what about larger sample sizes? Let's take the case where there the distribution is very nearly normal.

> library(nortest)
> x <- rt(500000,200)
> ad.test(x)

    Anderson-Darling normality test

data:  x 
A = 1.1003, p-value = 0.006975

> qqnorm(x)

Here we are using a t-distribution with 200 degrees of freedom. The qq-plot shows the distribution is closer to normal than any distribution you are likely to see in the real world, but the test rejects normality with a very high degree of confidence.

Does the significant test against normality mean that we should not use normal theory statistics in this case? (another hint: the answer is no :) )

You can use the following command to update the DATA PUMP DIRECTORY path,

create or replace directory DATA_PUMP_DIR as '/u01/app/oracle/admin/MYDB/dpdump/';

For me data path correction was required as I have restored the my database from production to test environment.

Same command can be used to create a new DATA PUMP DIRECTORY name and path.

Try using

sudo ssh -i mykey.pem ubuntu@<ec2_ip_public_dns>

OR

sudo ssh -i mykey.pem ec2-user@<ec2_ip_public_dns>

list(string.ascii_lowercase)

['a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z']

You are missing the height CSS property.

Adding it you will notice that scroll bar will appear.

.wrapper{ 
    // width: 1000px;
    width:600px; 
    overflow-y:scroll; 
    position:relative;
    height: 300px;
}

JSFIDDLE

From documentation:

overflow-y

The overflow-y CSS property specifies whether to clip content, render a scroll bar, or display overflow content of a block-level element, when it overflows at the top and bottom edges.

You can try this it will recursively find all key values in a json object and constructs as a map . You can simply get which key you want from the Map .

public static Map<String,String> parse(JSONObject json , Map<String,String> out) throws JSONException{
    Iterator<String> keys = json.keys();
    while(keys.hasNext()){
        String key = keys.next();
        String val = null;
        try{
             JSONObject value = json.getJSONObject(key);
             parse(value,out);
        }catch(Exception e){
            val = json.getString(key);
        }

        if(val != null){
            out.put(key,val);
        }
    }
    return out;
}

 public static void main(String[] args) throws JSONException {

    String json = "{'ipinfo': {'ip_address': '131.208.128.15','ip_type': 'Mapped','Location': {'continent': 'north america','latitude': 30.1,'longitude': -81.714,'CountryData': {'country': 'united states','country_code': 'us'},'region': 'southeast','StateData': {'state': 'florida','state_code': 'fl'},'CityData': {'city': 'fleming island','postal_code': '32003','time_zone': -5}}}}";

    JSONObject object = new JSONObject(json);

    JSONObject info = object.getJSONObject("ipinfo");

    Map<String,String> out = new HashMap<String, String>();

    parse(info,out);

    String latitude = out.get("latitude");
    String longitude = out.get("longitude");
    String city = out.get("city");
    String state = out.get("state");
    String country = out.get("country");
    String postal = out.get("postal_code");

    System.out.println("Latitude : " + latitude + " LongiTude : " + longitude + " City : "+city + " State : "+ state + " Country : "+country+" postal "+postal);

    System.out.println("ALL VALUE " + out);

}

Output:

    Latitude : 30.1 LongiTude : -81.714 City : fleming island State : florida Country : united states postal 32003
ALL VALUE {region=southeast, ip_type=Mapped, state_code=fl, state=florida, country_code=us, city=fleming island, country=united states, time_zone=-5, ip_address=131.208.128.15, postal_code=32003, continent=north america, longitude=-81.714, latitude=30.1}

Java 8 Stream API can be used for the purpose,

ArrayList<String> list1 = new ArrayList<>();

list1.add("A");
list1.add("B");
list1.add("A");
list1.add("D");
list1.add("G");

ArrayList<String> list2 = new ArrayList<>();

list2.add("B");
list2.add("D");
list2.add("E");
list2.add("G");

List<String> noDup = Stream.concat(list1.stream(), list2.stream())
                     .distinct()
                     .collect(Collectors.toList());
noDup.forEach(System.out::println);

En passant, it shouldn't be forgetten that distinct() makes use of hashCode().

Use

$(window).scrollTop()

It'll scroll the window to the item.

 var scrollPos =  $("#branch1").offset().top;
 $(window).scrollTop(scrollPos);

If the object is created not via a pointer(for example,A a1 = A();),the destructor is called when the object is destructed, always when the function where the object lies is finished.for example:

void func()
{
...
A a1 = A();
...
}//finish

the destructor is called when code is execused to line "finish".

If the object is created via a pointer(for example,A * a2 = new A();),the destructor is called when the pointer is deleted(delete a2;).If the point is not deleted by user explictly or given a new address before deleting it, the memory leak is occured. That is a bug.

In a linked list, if we use std::list<>, we needn't care about the desctructor or memory leak because std::list<> has finished all of these for us. In a linked list written by ourselves, we should write the desctructor and delete the pointer explictly.Otherwise, it will cause memory leak.

We rarely call a destructor manually. It is a function providing for the system.

Sorry for my poor English!

If possible I would suggest creating the Path directly from the path elements:

Path path = Paths.get("C:", "dir1", "dir2", "dir3");
// if needed
String textPath = path.toString(); // "C:\\dir1\\dir2\\dir3"

To do structural modification on the source of the stream, as Pshemo mentioned in his answer, one solution is to create a new instance of a Collection like ArrayList with the items inside your primary list; iterate over the new list, and do the operations on the primary list.

new ArrayList<>(users).stream().forEach(u -> users.remove(u));

If the LINQ query is executed in database context, a call to Contains() is mapped to the LIKE operator:

.Where(a => a.Field.Contains("hello")) becomes Field LIKE '%hello%'. The LIKE operator is case insensitive by default, but that can be changed by changing the collation of the column.

If the LINQ query is executed in .NET context, you can use IndexOf(), but that method is not supported in LINQ to SQL.

LINQ to SQL does not support methods that take a CultureInfo as parameter, probably because it can not guarantee that the SQL server handles cultures the same as .NET. This is not completely true, because it does support StartsWith(string, StringComparison).

However, it does not seem to support a method which evaluates to LIKE in LINQ to SQL, and to a case insensitive comparison in .NET, making it impossible to do case insensitive Contains() in a consistent way.

In android studio you can specify where the source, res, assets folders are located. for each module/app in the build.gradle file you can add something like:

android {
    compileSdkVersion 21
    buildToolsVersion "21.1.1"

    sourceSets {
        main {
            java.srcDirs = ['src']
            assets.srcDirs = ['assets']
            res.srcDirs = ['res']
            manifest.srcFile 'AndroidManifest.xml'
        }
    }
}

Elasticsearch supports this now out of the box:

https://www.elastic.co/guide/en/elasticsearch/reference/current/modules-snapshots.html

The simplest is to do a PivotChart. Select your array of dates (with a header) and create a new Pivot Chart (Insert / PivotChart / Ok) Then on the field list window, drag and drop the date column in the Axis list first and then in the value list first.

Step 1:

Step 2:

The simplest way in Python:

import time
start_time = time.time()
main()
print("--- %s seconds ---" % (time.time() - start_time))

This assumes that your program takes at least a tenth of second to run.

Prints:

--- 0.764891862869 seconds ---

If you want to take advantage of the 60FPS smoothness that the "transform" property offers, you can combine the two:

@keyframes changewidth {
  from {
    transform: scaleX(1);
  }

  to {
    transform: scaleX(2);
  }
}

div {
  animation-duration: 0.1s;
  animation-name: changewidth;
  animation-iteration-count: infinite;
  animation-direction: alternate;
}

More explanation on why transform offers smoother transitions here: https://medium.com/outsystems-experts/how-to-achieve-60-fps-animations-with-css3-db7b98610108

You can solve this problem with vanilla-Js:

Unload Basics

If you want to prompt or warn your user that they're going to close your page, you need to add code that sets .returnValue on a beforeunload event:

    window.addEventListener('beforeunload', (event) => {
      event.returnValue = `Are you sure you want to leave?`;
    });

There's two things to remember.

1. Most modern browsers (Chrome 51+, Safari 9.1+ etc) will ignore what you say and just present a generic message. This prevents webpage authors from writing egregious messages, e.g., "Closing this tab will make your computer EXPLODE! ".

2. Showing a prompt isn't guaranteed. Just like playing audio on the web, browsers can ignore your request if a user hasn't interacted with your page. As a user, imagine opening and closing a tab that you never switch to—the background tab should not be able to prompt you that it's closing.

Optionally Show

You can add a simple condition to control whether to prompt your user by checking something within the event handler. This is fairly basic good practice, and could work well if you're just trying to warn a user that they've not finished filling out a single static form. For example:

    let formChanged = false;
    myForm.addEventListener('change', () => formChanged = true);
    window.addEventListener('beforeunload', (event) => {
      if (formChanged) {
        event.returnValue = 'You have unfinished changes!';
      }
    });

But if your webpage or webapp is reasonably complex, these kinds of checks can get unwieldy. Sure, you can add more and more checks, but a good abstraction layer can help you and have other benefits—which I'll get to later. ???

Promises

So, let's build an abstraction layer around the Promise object, which represents the future result of work- like a response from a network fetch().

The traditional way folks are taught promises is to think of them as a single operation, perhaps requiring several steps- fetch from the server, update the DOM, save to a database. However, by sharing the Promise, other code can leverage it to watch when it's finished.

Pending Work

Here's an example of keeping track of pending work. By calling addToPendingWork with a Promise—for example, one returned from fetch()—we'll control whether to warn the user that they're going to unload your page.

    const pendingOps = new Set();

    window.addEventListener('beforeunload', (event) => {
      if (pendingOps.size) {
        event.returnValue = 'There is pending work. Sure you want to leave?';
      }
    });

    function addToPendingWork(promise) {
      pendingOps.add(promise);
      const cleanup = () => pendingOps.delete(promise);
      promise.then(cleanup).catch(cleanup);
    }

Now, all you need to do is call addToPendingWork(p) on a promise, maybe one returned from fetch(). This works well for network operations and such- they naturally return a Promise because you're blocked on something outside the webpage's control.

more detail can view in this url:

https://dev.to/chromiumdev/sure-you-want-to-leavebrowser-beforeunload-event-4eg5

Hope that can solve your problem.

As Eric Wendelin mentioned, you can do something like this:

str1 = "pattern"
var re = new RegExp(str1, "g");
"pattern matching .".replace(re, "regex");

This yields "regex matching .". However, it will fail if str1 is ".". You'd expect the result to be "pattern matching regex", replacing the period with "regex", but it'll turn out to be...

regexregexregexregexregexregexregexregexregexregexregexregexregexregexregexregexregexregex

This is because, although "." is a String, in the RegExp constructor it's still interpreted as a regular expression, meaning any non-line-break character, meaning every character in the string. For this purpose, the following function may be useful:

 RegExp.quote = function(str) {
     return str.replace(/([.?*+^$[\]\\(){}|-])/g, "\\$1");
 };

Then you can do:

str1 = "."
var re = new RegExp(RegExp.quote(str1), "g");
"pattern matching .".replace(re, "regex");

yielding "pattern matching regex".

You need the /g for global matching

replace(/\n/g, "<br />");

This works for me for \n - see this answer if you might have \r\n

NOTE: The dupe is the most complete answer for any combination of \r\n, \r or \n

var messagetoSend = document.getElementById('x').value.replace(/\n/g, "<br />");_x000D_
console.log(messagetoSend);

<textarea id="x" rows="9">_x000D_
    Line 1_x000D_
    _x000D_
    _x000D_
    Line 2_x000D_
    _x000D_
    _x000D_
    _x000D_
    _x000D_
    Line 3_x000D_
</textarea>

UPDATE

It seems some visitors of this question have text with the breaklines escaped as

some text\r\nover more than one line"

In that case you need to escape the slashes:

replace(/\\r\\n/g, "<br />");

NOTE: All browsers will ignore \r in a string when rendering.

In monodroid, you can do like this for rounded rectangle, and then keeping this as a parent class, editbox and other layout features can be added.

 class CustomeView : TextView
    {
       public CustomeView (Context context, IAttributeSet ) : base (context, attrs)  
        {  
        }
       public CustomeView(Context context, IAttributeSet attrs, int defStyle) : base(context, attrs, defStyle)  
        {  
        }
       protected override void OnDraw(Android.Graphics.Canvas canvas)
       {
           base.OnDraw(canvas);
           Paint p = new Paint();
           p.Color = Color.White;
           canvas.DrawColor(Color.DarkOrange);

           Rect rect = new Rect(0,0,3,3);

           RectF rectF = new RectF(rect);


           canvas.DrawRoundRect( rectF, 1,1, p);



       }  
    }
}

It looks like API level 11 has support for what you need. See WebViewClient.shouldInterceptRequest().

Use below command to see all python installations :

which -a python

Just remove the throw from the catch block — change it to an echo or otherwise handle the error.

It's not telling you that objects can only be thrown in the catch block, it's telling you that only objects can be thrown, and the location of the error is in the catch block — there is a difference.

In the catch block you are trying to throw something you just caught — which in this context makes little sense anyway — and the thing you are trying to throw is a string.

A real-world analogy of what you are doing is catching a ball, then trying to throw just the manufacturer's logo somewhere else. You can only throw a whole object, not a property of the object.

The message appear as warning and sometimes the code refuses to work. (!Needs Citation: Newer SDK's might have strict rules).

I have encountered it for more than one reason, mostly complicated viewcontroller scenarios. Here's an example.

Scenario: MainViewController (responsible to load: ViewControllerA & ViewControllerB)

Present ViewControllerA from MainViewController and without dismissing the ViewControllerA you try to present viewControllerB from MainViewController (using a delegate method).

In this scenario, you'd have to make sure your ViewControllerA is dismissed and then the ViewControllerB is called.

Because after presenting ViewControllerA (ViewControllerA becomes responsible for displaying views and viewcontrollers and when MainViewController attempts to load another viewcontoller, it refuses to work with throwing a warning).

You can also just add an ON CONFLICT REPLACE clause to your user_name unique constraint and then just INSERT away, leaving it to SQLite to figure out what to do in case of a conflict. See:https://sqlite.org/lang_conflict.html.

Also note the sentence regarding delete triggers: When the REPLACE conflict resolution strategy deletes rows in order to satisfy a constraint, delete triggers fire if and only if recursive triggers are enabled.

I modified the code as follow:

ViewModel

using System.Collections.Generic;
using ContosoUniversity.Models;

namespace ContosoUniversity.ViewModels
{
    public class InstructorIndexData
    {
     public PagedList.IPagedList<Instructor> Instructors { get; set; }
     public PagedList.IPagedList<Course> Courses { get; set; }
     public PagedList.IPagedList<Enrollment> Enrollments { get; set; }
    }
}

Controller

public ActionResult Index(int? id, int? courseID,int? InstructorPage,int? CoursePage,int? EnrollmentPage)
{
 int instructPageNumber = (InstructorPage?? 1);
 int CoursePageNumber = (CoursePage?? 1);
 int EnrollmentPageNumber = (EnrollmentPage?? 1);
 var viewModel = new InstructorIndexData();
 viewModel.Instructors = db.Instructors
    .Include(i => i.OfficeAssignment)
    .Include(i => i.Courses.Select(c => c.Department))
    .OrderBy(i => i.LastName).ToPagedList(instructPageNumber,5);

 if (id != null)
 {
    ViewBag.InstructorID = id.Value;
    viewModel.Courses = viewModel.Instructors.Where(
        i => i.ID == id.Value).Single().Courses.ToPagedList(CoursePageNumber,5);
 }

 if (courseID != null)
 {
    ViewBag.CourseID = courseID.Value;
    viewModel.Enrollments = viewModel.Courses.Where(
        x => x.CourseID == courseID).Single().Enrollments.ToPagedList(EnrollmentPageNumber,5);
 }

 return View(viewModel);
}

View

<div>
   Page @(Model.Instructors.PageCount < Model.Instructors.PageNumber ? 0 : Model.Instructors.PageNumber) of @Model.Instructors.PageCount

   @Html.PagedListPager(Model.Instructors, page => Url.Action("Index", new {InstructorPage=page}))

</div>

I hope this would help you!!

I had the same problem while I was testing a project and it turned that running Fiddler was the cause for this error..!!

If you are using Fiddler to intercept the http request, shut it down ...

This is one of the many causes for such error.

To fix Fiddler you may need to Reset Fiddler Https Certificates.

Use below code to convert String Date to Epoc Timestamp. Note : - Your input Date format should match with SimpleDateFormat.

String inputDateInString= "8/15/2017 12:00:00 AM";
SimpleDateFormat dateFormat = new SimpleDateFormat("MM/dd/yyy hh:mm:ss");

Date parsedDate = dateFormat.parse("inputDateInString");

Timestamp timestamp = new java.sql.Timestamp(parsedDate.getTime());

System.out.println("Timestamp "+ timestamp.getTime());

Can also think of static members not having a "this" pointer. They are shared among all instances.

in c#.net

this.WindowState = FormWindowState.Minimized

XMLStarlet or another XPath engine is the correct tool for this job.

For instance, with data.xml containing the following:

<root>
  <item> 
    <title>15:54:57 - George:</title>
    <description>Diane DeConn? You saw Diane DeConn!</description> 
  </item> 
  <item> 
    <title>15:55:17 - Jerry:</title> 
    <description>Something huh?</description>
  </item>
</root>

...you can extract only the first title with the following:

xmlstarlet sel -t -m '//title[1]' -v . -n <data.xml

Trying to use sed for this job is troublesome. For instance, the regex-based approaches won't work if the title has attributes; won't handle CDATA sections; won't correctly recognize namespace mappings; can't determine whether a portion of the XML documented is commented out; won't unescape attribute references (such as changing Brewster & Jobs to Brewster & Jobs), and so forth.

This will definitely work for you...

ArrayList<String> list = new ArrayList<String>();

list.add(textview.getText().toString());
list.add("B");
list.add("C");

I don't see why you shouldn't be able to send html content via a post.

if you encounter any issues, you could perhaps use some kind of encoding / decoding - but I don't see that you will.

I use Windows 7. I suggest right-clicking the NetBeans shortcut, go to Properties, and on the Shortcut tab at the Target, add -J-Xmx1024m -J-Xms256m.

This sets the memory usage of the JVM. Xms is the minimal value, while Xmx is the max.

This is the value of target textfield:

"C:\Program Files\NetBeans 7.1\bin\netbeans.exe" --jdkhome "C:\Program Files\Java\jdk1.6.0_10" -J-Dorg.netbeans.modules.php.dbgp.level=400 -J-Xmx1024m -J-Xms256m

Since I add that attribute, my NetBeans run so fast!

Another way to try More Reference Here

In the etc directory under your Netbeans-Home, edit the file netbeans.conf file. -Xms and -Xmx should be increased to the values that allow your program to compile.

instructions in netbeans.conf :

# Note that default -Xmx and -XX:MaxPermSize are selected for you automatically.
# You can find these values in var/log/messages.log file in your userdir.
# The automatically selected value can be overridden by specifying -J-Xmx or
# -J-XX:MaxPermSize= here or on the command line.

Put the values in the netbeans_default_options string. Example :

netbeans_default_options="-J-client -J-Xss2m -J-Xms32m -J-XX:PermSize=32m -J-Dapple.laf.useScreenMenuBar=true -J-Dapple.awt.graphics.UseQuartz=true -J-Dsun.java2d.noddraw=true -J-Dsun.java2d.dpiaware=true -J-Dsun.zip.disableMemoryMapping=true  -J-Dsun.awt.disableMixing=true -J-Dswing.aatext=true -J-Dawt.useSystemAAFontSettings=lcd --laf Nimbus"

What to do to speed up / free up memory windows:

1. Disable Windows Update :

   • Open Task Manager, open tab Services, disable Windows Update:

2. Hit Ctrl + R and type Services.msc and press enter.
   • Sort by Startup Type
   • Select Services from 3rd party (non windows) which run Automatic, Right click, click Properties and change startup type to Manual

• Sort by Status and Stop services from (3rd party) app you think unused

To those who are using Intellij, as @rtconner said this problem is not caused by git. Since your IDE is locked a file(s) git cannot un-link it. So, you need to close your IDE and then try to merge (or whatever you like) it via command line.

Though there is an alternative above, but that didn't solve mine. In my case, I delete the "git" plugin in ./zshrc and reboot the computer then the issue is gone, I guess the zsh plugin had done something conflict the original git command.

import numpy as np
import PIL

def convert_image(image_file):
    image = Image.open(image_file) # this could be a 4D array PNG (RGBA)
    original_width, original_height = image.size

    np_image = np.array(image)
    new_image = np.zeros((np_image.shape[0], np_image.shape[1], 3)) 
    # create 3D array

    for each_channel in range(3):
        new_image[:,:,each_channel] = np_image[:,:,each_channel]  
        # only copy first 3 channels.

    # flushing
    np_image = []
    return new_image

If you are working with objects track by the identifier(e.g. $index) instead of the whole object and you reload your data later, ngRepeat will not rebuild the DOM elements for items it has already rendered, even if the JavaScript objects in the collection have been substituted for new ones.

This is turning out to be a surprisingly tricky question.

I would recommend using Array.Reverse for most cases as it is coded natively and it is very simple to maintain and understand.

It seems to outperform StringBuilder in all the cases I tested.

public string Reverse(string text)
{
   if (text == null) return null;

   // this was posted by petebob as well 
   char[] array = text.ToCharArray();
   Array.Reverse(array);
   return new String(array);
}

There is a second approach that can be faster for certain string lengths which uses Xor.

    public static string ReverseXor(string s)
    {
        if (s == null) return null;
        char[] charArray = s.ToCharArray();
        int len = s.Length - 1;

        for (int i = 0; i < len; i++, len--)
        {
            charArray[i] ^= charArray[len];
            charArray[len] ^= charArray[i];
            charArray[i] ^= charArray[len];
        }

        return new string(charArray);
    }

Note If you want to support the full Unicode UTF16 charset read this. And use the implementation there instead. It can be further optimized by using one of the above algorithms and running through the string to clean it up after the chars are reversed.

Here is a performance comparison between the StringBuilder, Array.Reverse and Xor method.

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Diagnostics;

namespace ConsoleApplication4
{
    class Program
    {
        delegate string StringDelegate(string s);

        static void Benchmark(string description, StringDelegate d, int times, string text)
        {
            Stopwatch sw = new Stopwatch();
            sw.Start();
            for (int j = 0; j < times; j++)
            {
                d(text);
            }
            sw.Stop();
            Console.WriteLine("{0} Ticks {1} : called {2} times.", sw.ElapsedTicks, description, times);
        }

        public static string ReverseXor(string s)
        {
            char[] charArray = s.ToCharArray();
            int len = s.Length - 1;

            for (int i = 0; i < len; i++, len--)
            {
                charArray[i] ^= charArray[len];
                charArray[len] ^= charArray[i];
                charArray[i] ^= charArray[len];
            }

            return new string(charArray);
        }

        public static string ReverseSB(string text)
        {
            StringBuilder builder = new StringBuilder(text.Length);
            for (int i = text.Length - 1; i >= 0; i--)
            {
                builder.Append(text[i]);
            }
            return builder.ToString();
        }

        public static string ReverseArray(string text)
        {
            char[] array = text.ToCharArray();
            Array.Reverse(array);
            return (new string(array));
        }

        public static string StringOfLength(int length)
        {
            Random random = new Random();
            StringBuilder sb = new StringBuilder();
            for (int i = 0; i < length; i++)
            {
                sb.Append(Convert.ToChar(Convert.ToInt32(Math.Floor(26 * random.NextDouble() + 65))));
            }
            return sb.ToString();
        }

        static void Main(string[] args)
        {

            int[] lengths = new int[] {1,10,15,25,50,75,100,1000,100000};

            foreach (int l in lengths)
            {
                int iterations = 10000;
                string text = StringOfLength(l);
                Benchmark(String.Format("String Builder (Length: {0})", l), ReverseSB, iterations, text);
                Benchmark(String.Format("Array.Reverse (Length: {0})", l), ReverseArray, iterations, text);
                Benchmark(String.Format("Xor (Length: {0})", l), ReverseXor, iterations, text);

                Console.WriteLine();    
            }

            Console.Read();
        }
    }
}

Here are the results:

26251 Ticks String Builder (Length: 1) : called 10000 times.
33373 Ticks Array.Reverse (Length: 1) : called 10000 times.
20162 Ticks Xor (Length: 1) : called 10000 times.

51321 Ticks String Builder (Length: 10) : called 10000 times.
37105 Ticks Array.Reverse (Length: 10) : called 10000 times.
23974 Ticks Xor (Length: 10) : called 10000 times.

66570 Ticks String Builder (Length: 15) : called 10000 times.
26027 Ticks Array.Reverse (Length: 15) : called 10000 times.
24017 Ticks Xor (Length: 15) : called 10000 times.

101609 Ticks String Builder (Length: 25) : called 10000 times.
28472 Ticks Array.Reverse (Length: 25) : called 10000 times.
35355 Ticks Xor (Length: 25) : called 10000 times.

161601 Ticks String Builder (Length: 50) : called 10000 times.
35839 Ticks Array.Reverse (Length: 50) : called 10000 times.
51185 Ticks Xor (Length: 50) : called 10000 times.

230898 Ticks String Builder (Length: 75) : called 10000 times.
40628 Ticks Array.Reverse (Length: 75) : called 10000 times.
78906 Ticks Xor (Length: 75) : called 10000 times.

312017 Ticks String Builder (Length: 100) : called 10000 times.
52225 Ticks Array.Reverse (Length: 100) : called 10000 times.
110195 Ticks Xor (Length: 100) : called 10000 times.

2970691 Ticks String Builder (Length: 1000) : called 10000 times.
292094 Ticks Array.Reverse (Length: 1000) : called 10000 times.
846585 Ticks Xor (Length: 1000) : called 10000 times.

305564115 Ticks String Builder (Length: 100000) : called 10000 times.
74884495 Ticks Array.Reverse (Length: 100000) : called 10000 times.
125409674 Ticks Xor (Length: 100000) : called 10000 times.

It seems that Xor can be faster for short strings.

A general purpose way is to coerce the collation to DATABASE_DEFAULT. This removes hardcoding the collation name which could change.

It's also useful for temp table and table variables, and where you may not know the server collation (eg you are a vendor placing your system on the customer's server)

select
    sone_field collate DATABASE_DEFAULT
from
    table_1
    inner join
    table_2 on table_1.field collate DATABASE_DEFAULT = table_2.field
where whatever

There is a static method on the Thread Class that will return the number of active threads controlled by the JVM:

Thread.activeCount()

Returns the number of active threads in the current thread's thread group.

Additionally, external debuggers should list all active threads (and allow you to suspend any number of them) if you wish to monitor them in real-time.

I had the same issue today which prevented me from performing Add-Migration after I made changes in Entity Framework.

I had two projects in my solution, let's call them "Client" and "Data" - a class library project which held my EF models and context. The Client referenced the Data project.

I had signed both projects, and then later made changes to an EF model. After I removed the signature I were able to add the migrations, and could then signed the project anew.

I hope this can be useful for someone, sparing them of prolonged frustration..

It works in Kotlin after buildDrawingCache() being deprecated

 // convert imageView to bitmap
val bitmap = (imageViewId.getDrawable() as BitmapDrawable).getBitmap()

MyViewClass *myViewObject = [[[NSBundle mainBundle] loadNibNamed:@"MyViewClassNib" owner:self options:nil] objectAtIndex:0]

I'm using this to initialise the reusable custom views I have.

Note that you can use "firstObject" at the end there, it's a little cleaner. "firstObject" is a handy method for NSArray and NSMutableArray.

Here's a typical example, of loading a xib to use as a table header. In your file YourClass.m

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {
    return [[NSBundle mainBundle] loadNibNamed:@"TopArea" owner:self options:nil].firstObject;
}

Normally, in the TopArea.xib, you would click on File Owner and set the file owner to YourClass. Then actually in YourClass.h you would have IBOutlet properties. In TopArea.xib, you can drag controls to those outlets.

Don't forget that in TopArea.xib, you may have to click on the View itself and drag that to some outlet, so you have control of it, if necessary. (A very worthwhile tip is that when you are doing this for table cell rows, you absolutely have to do that - you have to connect the view itself to the relevant property in your code.)

To create a signature, I must use my secret key. But all things happens on a client side, so, the secret key can be easily revealed from page source (even if I obfuscate/encrypt my sources).

This is where you have misunderstood. The very reason digital signatures are used is so that you can verify something as correct without revealing your secret key. In this case the digital signature is used to prevent the user from modifying the policy you set for the form post.

Digital signatures such as the one here are used for security all around the web. If someone (NSA?) really were able to break them, they would have much bigger targets than your S3 bucket :)

The man page has very detailed descriptions of all of the various options (the status bar is highly configurable). Your best bet is to read through man tmux and pay particular attention to those options that begin with status-.

So, for example, status-bg red would set the background colour of the bar.

The three components of the bar, the left and right sections and the window-list in the middle, can all be configured to suit your preferences. status-left and status-right, in addition to having their own variables (like #S to list the session name) can also call custom scripts to display, for example, system information like load average or battery time.

The option to rename windows or panes based on what is currently running in them is automatic-rename. You can set, or disable it globally with:

setw -g automatic-rename [on | off]

The most straightforward way to become comfortable with building your own status bar is to start with a vanilla one and then add changes incrementally, reloading the config as you go.¹

You might also want to have a look around on github or bitbucket for other people's conf files to provide some inspiration. You can see mine here².

¹ You can automate this by including this line in your .tmux.conf:

bind R source-file ~/.tmux.conf \; display-message "Config reloaded..."

You can then test your new functionality with Ctrlb,Shiftr. tmux will print a helpful error message—including a line number of the offending snippet—if you misconfigure an option.

² Note: I call a different status bar depending on whether I am in X or the console - I find this quite useful.

You could put all of your code under one namespace like this:

var namespace = {};

namespace.someClassObj = {};

delete namespace.someClassObj;

Using the delete keyword will delete the reference to the property, but on the low level the JavaScript garbage collector (GC) will get more information about which objects to be reclaimed.

You could also use Chrome Developer Tools to get a memory profile of your app, and which objects in your app are needing to be scaled down.

you can simple use this following code

train_data['labels']= train_data[["LABEL1","LABEL1","LABEL2","LABEL3","LABEL4","LABEL5","LABEL6","LABEL7"]].values.tolist()
train_df = pd.DataFrame(train_data, columns=['text','labels'])

String str1="this is a string";
String str2=str1.clone();

How about copy like this? I think to get a new copy is better, so that the data of str1 won't be affected when str2 is reference and modified in futher action.

If whitespace becomes that important, it may be better to use preformatted text and the <pre> tag.

The shell process is $$ since it is a special parameter

On Linux, the proc(5) filesystem gives a lot of information about processes. Perhaps pgrep(1) (which accesses /proc) might help too.

So try cat /proc/$$/status to get the status of the shell process.

Hence, its parent process id could be retrieved with e.g.

  parpid=$(awk '/PPid:/{print $2}' /proc/$$/status)

Then use $parpid in your script to refer to the parent process pid (the parent of the shell).

But I don't think you need it!

Read some Bash Guide (or with caution advanced bash scripting guide, which has mistakes) and advanced linux programming.

Notice that some server daemon processes (wich usually need to be unique) are explicitly writing their pid into /var/run, e.g. the  sshd server daemon is writing its pid into the textual file /var/run/sshd.pid). You may want to add such a feature into your own server-like programs (coded in C, C++, Ocaml, Go, Rust or some other compiled language).

I suggest you make style theme for TextInputLayout and change only accent color. Set parent to your app base theme:

 <style name="MyTextInputLayout" parent="MyAppThemeBase">
     <item name="colorAccent">@color/colorPrimary</item>
 </style>

 <android.support.design.widget.TextInputLayout
  android:layout_width="fill_parent"
  android:layout_height="wrap_content"
  android:theme="@style/MyTextInputLayout">

At the time of this writing (which is with SonarQube 4.5.1), the correct property to set is sonar.coverage.exclusions, e.g.:

<properties>
    <sonar.coverage.exclusions>foo/**/*,**/bar/*</sonar.coverage.exclusions>
</properties>

This seems to be a change from just a few versions earlier. Note that this excludes the given classes from coverage calculation only. All other metrics and issues are calculated.

In order to find the property name for your version of SonarQube, you can try going to the General Settings section of your SonarQube instance and look for the Code Coverage item (in SonarQube 4.5.x, that's General Settings → Exclusions → Code Coverage). Below the input field, it gives the property name mentioned above ("Key: sonar.coverage.exclusions").

To align one flex child to the right set it withmargin-left: auto;

From the flex spec:

One use of auto margins in the main axis is to separate flex items into distinct "groups". The following example shows how to use this to reproduce a common UI pattern - a single bar of actions with some aligned on the left and others aligned on the right.

.wrap div:last-child {
  margin-left: auto;
}

Updated fiddle

.wrap {_x000D_
  display: flex;_x000D_
  background: #ccc;_x000D_
  width: 100%;_x000D_
  justify-content: space-between;_x000D_
}_x000D_
.wrap div:last-child {_x000D_
  margin-left: auto;_x000D_
}_x000D_
.result {_x000D_
  background: #ccc;_x000D_
  margin-top: 20px;_x000D_
}_x000D_
.result:after {_x000D_
  content: '';_x000D_
  display: table;_x000D_
  clear: both;_x000D_
}_x000D_
.result div {_x000D_
  float: left;_x000D_
}_x000D_
.result div:last-child {_x000D_
  float: right;_x000D_
}

<div class="wrap">_x000D_
  <div>One</div>_x000D_
  <div>Two</div>_x000D_
  <div>Three</div>_x000D_
</div>_x000D_
_x000D_
<!-- DESIRED RESULT -->_x000D_
<div class="result">_x000D_
  <div>One</div>_x000D_
  <div>Two</div>_x000D_
  <div>Three</div>_x000D_
</div>

Note:

You could achieve a similar effect by setting flex-grow:1 on the middle flex item (or shorthand flex:1) which would push the last item all the way to the right. (Demo)

The obvious difference however is that the middle item becomes bigger than it may need to be. Add a border to the flex items to see the difference.

Demo

.wrap {_x000D_
  display: flex;_x000D_
  background: #ccc;_x000D_
  width: 100%;_x000D_
  justify-content: space-between;_x000D_
}_x000D_
.wrap div {_x000D_
  border: 3px solid tomato;_x000D_
}_x000D_
.margin div:last-child {_x000D_
  margin-left: auto;_x000D_
}_x000D_
.grow div:nth-child(2) {_x000D_
  flex: 1;_x000D_
}_x000D_
.result {_x000D_
  background: #ccc;_x000D_
  margin-top: 20px;_x000D_
}_x000D_
.result:after {_x000D_
  content: '';_x000D_
  display: table;_x000D_
  clear: both;_x000D_
}_x000D_
.result div {_x000D_
  float: left;_x000D_
}_x000D_
.result div:last-child {_x000D_
  float: right;_x000D_
}

<div class="wrap margin">_x000D_
  <div>One</div>_x000D_
  <div>Two</div>_x000D_
  <div>Three</div>_x000D_
</div>_x000D_
_x000D_
<div class="wrap grow">_x000D_
  <div>One</div>_x000D_
  <div>Two</div>_x000D_
  <div>Three</div>_x000D_
</div>_x000D_
_x000D_
<!-- DESIRED RESULT -->_x000D_
<div class="result">_x000D_
  <div>One</div>_x000D_
  <div>Two</div>_x000D_
  <div>Three</div>_x000D_
</div>

Here's a dynamic SQL approach that also gives you the schema as well:

DECLARE @sql nvarchar(MAX)

SELECT
    @sql = COALESCE(@sql + ' UNION ALL ', '') +
        'SELECT
            ''' + s.name + ''' AS ''Schema'',
            ''' + t.name + ''' AS ''Table'',
            COUNT(*) AS Count
            FROM ' + QUOTENAME(s.name) + '.' + QUOTENAME(t.name)
    FROM sys.schemas s
    INNER JOIN sys.tables t ON t.schema_id = s.schema_id
    ORDER BY
        s.name,
        t.name

EXEC(@sql)

If needed, it would be trivial to extend this to run over all databases in the instance (join to sys.databases).

You can do it with a dynamic query.

declare @cadena varchar(max) = ''
select @cadena = @cadena + 'exec spAPI ' + ltrim(id) + ';'
from sysobjects;
exec(@cadena);

foo(*ob);

You don't need to cast it because it's the same Object type, you just need to dereference it.

You could also try this

Private Sub CommandButton1_Click()

Sheets("Sheet1").Range("A3:E3").Copy

Dim lastrow As Long
lastrow = Range("A65536").End(xlUp).Row

Sheets("Summary Info").Activate
Cells(lastrow + 1, 1).PasteSpecial Paste:=xlPasteValues, Operation:=xlNone, SkipBlanks:=False, Transpose:=False

End Sub

If you are using Perforce (imported the project as a Perforce project), then .cproject and .project will be located under the root of the PERFORCE project, not on the workspace folder.

Hope this helps :)

A nice way to achieve this "if you have an office 365 account" is to use Office 365 outlook connector integrated with Azure Logic App,

Hope this helps someone!

Execution is not related to laravel go to the php.ini file In php.ini file set max_execution_time=360 (time may be variable depends on need) if you want to increase execution of a specific page then write ini_set('max_execution_time',360) at top of page

otherwise in htaccess php_value max_execution_time 360

Try closing and reopening the file, then press Ctrl+F11.

Verify that the name of the file you are running is the same as the name of the project you are working in, and that the name of the public class in that file is the same as the name of the project you are working in as well.

Otherwise, restart Eclipse. Let me know if this solves the problem! Otherwise, comment, and I'll try and help.

If you are hosting on IIS, make sure the password for the AppPool account has not changed.

If it has, then follow these steps:

• Go to IIS
• Click on Application Pools
• Select the AppPool of your application
• Right Click on your AppPool
• Advanced settings
• Identity
• Update Password
• Restart AppPool

To Phil's answer:

In line: id nextResponder = [self nextResponder]; if self(UIView) is not a subview of ViewController's view, if you know hierarchy of self(UIView) you can use also: id nextResponder = [[self superview] nextResponder];...

Chrome developer tools now have the ability to list WebSocket frames and also inspect the data if the frames are not binary.

Process:

1. Launch Chrome Developer tools
2. Load your page and initiate the WebSocket connections
3. Click the Network Tab.
4. Select the WebSocket connection from the list on the left (it will have status of "101 Switching Protocols".
5. Click the Messages sub-tab. Binary frames will show up with a length and time-stamp and indicate whether they are masked. Text frames will show also include the payload content.

If your WebSocket connection uses binary frames then you will probably still want to use Wireshark to debug the connection. Wireshark 1.8.0 added dissector and filtering support for WebSockets. An alternative may be found in this other answer.

You can also copy a cell which contains the conditional formatting and then select the range (of destination document -or page-) where you want the conditional format to be applied and select "paste special" > "paste only conditional formatting"

This also works fine .Simple and easy.see http://jsfiddle.net/uZc8w/570/

$('#myimage').removeAttr("click");

Incremental Search - Ctrl + I

It's basically the find dialog box without the dialog box. Just start typing what you want to search for (look at the bottom status bar location to see what you've typed). Pressing Ctrl + I again or F3 searches for the next instance. Press Escape to quit. Starting a new search by pressing Ctrl + I twice repeats the last search.

Copying from my other answer https://stackoverflow.com/a/43126969/917428. See it for more details and examples.

I believe that it just has to do with the fact that computers work with in base 2. Just think at how the same thing works for base 10:

• 8 % 10 = 8
• 18 % 10 = 8
• 87865378 % 10 = 8

It doesn't matter what the number is: as long as it ends with 8, its modulo 10 will be 8.

Picking a big enough, non-power-of-two number will make sure the hash function really is a function of all the input bits, rather than a subset of them.

You may be forgetting something. Before #include <iostream>, write #include <stdafx.h> and maybe that will help. Then, when you are done writing, click test, than click output from build, then when it is done processing/compiling, press Ctrl+F5 to open the Command Prompt and it should have the output and "press any key to continue."

It seems strange, but nonetheless HTML5 supports drawing lines, circles, rectangles and many other basic shapes, it does not have anything suitable for drawing the basic point. The only way to do so is to simulate a point with whatever you have.

So basically there are 3 possible solutions:

• draw point as a line
• draw point as a polygon
• draw point as a circle

Each of them has their drawbacks.

Line

function point(x, y, canvas){
  canvas.beginPath();
  canvas.moveTo(x, y);
  canvas.lineTo(x+1, y+1);
  canvas.stroke();
}

Keep in mind that we are drawing to South-East direction, and if this is the edge, there can be a problem. But you can also draw in any other direction.

Rectangle

function point(x, y, canvas){
  canvas.strokeRect(x,y,1,1);
}

or in a faster way using fillRect because render engine will just fill one pixel.

function point(x, y, canvas){
  canvas.fillRect(x,y,1,1);
}

Circle

One of the problems with circles is that it is harder for an engine to render them

function point(x, y, canvas){
  canvas.beginPath();
  canvas.arc(x, y, 1, 0, 2 * Math.PI, true);
  canvas.stroke();
}

the same idea as with rectangle you can achieve with fill.

function point(x, y, canvas){
  canvas.beginPath();
  canvas.arc(x, y, 1, 0, 2 * Math.PI, true);
  canvas.fill();
}

Problems with all these solutions:

• it is hard to keep track of all the points you are going to draw.
• when you zoom in, it looks ugly

If you are wondering, what is the best way to draw a point, I would go with filled rectangle. You can see my jsperf here with comparison tests

From manual: s[i:j:k] slice of s from i to j with step k

li = range(100)
sub = li[0::10]

>>> sub
[0, 10, 20, 30, 40, 50, 60, 70, 80, 90]

$first_word = str_word_count(1)[0]

Doesn't work on special characters, and will result in wrong behaviour if special characters are used. It is not UTF-8 friendly.

For more info check is PHP str_word_count() multibyte safe?

This will help for sure -

arr=['a','b','h','i']     # let this be the list
s=""                      # creating a empty string
for i in arr:
   s+=i                   # to form string without using any function
print(s) 


       

!!!THIS IS THE BEST EXPLANATION IN THE WORLD!!!!!

var q = {}
var prototype = {prop: 11}

q.prop // undefined
q.__proto__ = prototype
q.prop // 11

in function constructors javascript engine call this q.__proto__ = prototype automatically when we write new Class, and in to the __proto__ prop set Class.prototype

function Class(){}
Class.prototype = {prop: 999} // set prototype as we need, before call new

var q = new Class() // q.__proto__ = Class.prototype
q.prop // 999

Enjoy %)

If you want downloads number for each customer, use:

select ssn
     , sum(time)
  from downloads
 group by ssn

If you want just one record -- for a customer with highest number of downloads -- use:

select *
  from (
        select ssn
             , sum(time)
          from downloads
         group by ssn
         order by sum(time) desc
       )
 where rownum = 1

However if you want to see all customers with the same number of downloads, which share the highest position, use:

select *
  from (
        select ssn
             , sum(time)
             , dense_rank() over (order by sum(time) desc) r
          from downloads
         group by ssn
       )
 where r = 1

This is because 31 has a nice property – it's multiplication can be replaced by a bitwise shift which is faster than the standard multiplication:

31 * i == (i << 5) - i

Use SCOPE_IDENTITY() to get the new ID value

INSERT INTO table (name) VALUES('bob');

SELECT SCOPE_IDENTITY()

http://msdn.microsoft.com/en-us/library/ms190315.aspx

The easiest way to convert a std::string to a LPWSTR is in my opinion:

1. Convert the std::string to a std::vector<wchar_t>
2. Take the address of the first wchar_t in the vector.

std::vector<wchar_t> has a templated ctor which will take two iterators, such as the std::string.begin() and .end() iterators. This will convert each char to a wchar_t, though. That's only valid if the std::string contains ASCII or Latin-1, due to the way Unicode values resemble Latin-1 values. If it contains CP1252 or characters from any other encoding, it's more complicated. You'll then need to convert the characters.

Submodule repositories stay in a detached HEAD state pointing to a specific commit. Changing that commit simply involves checking out a different tag or commit then adding the change to the parent repository.

$ cd submodule
$ git checkout v2.0
Previous HEAD position was 5c1277e... bumped version to 2.0.5
HEAD is now at f0a0036... version 2.0

git-status on the parent repository will now report a dirty tree:

# On branch dev [...]
#
#   modified:   submodule (new commits)

Add the submodule directory and commit to store the new pointer.