Programs & Examples On #.net framework version

Manually editing the .csproj file and adding the reference below worked for me.

<Reference Include="netstandard" />

Thank you to Fahad Alshaya who suggested it here.

C# 1.0 - Visual Studio .NET 2002

Classes
Structs
Interfaces
Events
Properties
Delegates
Expressions
Statements
Attributes
Literals

C# 1.2 - Visual Studio .NET 2003

Dispose in foreach
foreach over string specialization
C# 2 - Visual Studio 2005
Generics
Partial types
Anonymous methods
Iterators
Nullable types
Getter/setter separate accessibility
Method group conversions (delegates)
Static classes
Delegate inference

C# 3 - Visual Studio 2008

Implicitly typed local variables
Object and collection initializers
Auto-Implemented properties
Anonymous types
Extension methods
Query expressions
Lambda expression
Expression trees
Partial methods

C# 4 - Visual Studio 2010

Dynamic binding
Named and optional arguments
Co- and Contra-variance for generic delegates and interfaces
Embedded interop types ("NoPIA")

C# 5 - Visual Studio 2012

    Asynchronous methods
    Caller info attributes

C# 6 - Visual Studio 2015

Draft Specification online
Compiler-as-a-service (Roslyn)
Import of static type members into namespace
Exception filters
Await in catch/finally blocks
Auto property initializers
Default values for getter-only properties
Expression-bodied members
Null propagator (null-conditional operator, succinct null checking)
String interpolation
nameof operator
Dictionary initializer

C# 7.0 - Visual Studio 2017

Out variables
Pattern matching
Tuples
Deconstruction
Discards
Local Functions
Binary Literals
Digit Separators
Ref returns and locals
Generalized async return types
More expression-bodied members
Throw expressions

C# 7.1 - Visual Studio 2017 version 15.3

Async main
Default expressions
Reference assemblies
Inferred tuple element names
Pattern-matching with generics

C# 7.2 - Visual Studio 2017 version 15.5

Span and ref-like types
In parameters and readonly references
Ref conditional
Non-trailing named arguments
Private protected accessibility
Digit separator after base specifier

C# 7.3 - Visual Studio 2017 version 15.7

System.Enum, System.Delegate and unmanaged constraints.
Ref local re-assignment: Ref locals and ref parameters can now be reassigned with the ref assignment operator (= ref).
Stackalloc initializers: Stack-allocated arrays can now be initialized, e.g. Span<int> x = stackalloc[] { 1, 2, 3 };.
Indexing movable fixed buffers: Fixed buffers can be indexed into without first being pinned.
Custom fixed statement: Types that implement a suitable GetPinnableReference can be used in a fixed statement.
Improved overload candidates: Some overload resolution candidates can be ruled out early, thus reducing ambiguities.
Expression variables in initializers and queries: Expression variables like out var and pattern variables are allowed in field initializers, constructor initializers and LINQ queries.
Tuple comparison: Tuples can now be compared with == and !=.
Attributes on backing fields: Allows [field: …] attributes on an auto-implemented property to target its backing field.

C# 8.0 - .NET Core 3.0 and Visual Studio 2019 version 16.3

Nullable reference types: express nullability intent on reference types with ?, notnull constraint and annotations attributes in APIs, the compiler will use those to try and detect possible null values being dereferenced or passed to unsuitable APIs.
Default interface members: interfaces can now have members with default implementations, as well as static/private/protected/internal members except for state (ie. no fields).
Recursive patterns: positional and property patterns allow testing deeper into an object, and switch expressions allow for testing multiple patterns and producing corresponding results in a compact fashion.
Async streams: await foreach and await using allow for asynchronous enumeration and disposal of IAsyncEnumerable<T> collections and IAsyncDisposable resources, and async-iterator methods allow convenient implementation of such asynchronous streams.
Enhanced using: a using declaration is added with an implicit scope and using statements and declarations allow disposal of ref structs using a pattern.
Ranges and indexes: the i..j syntax allows constructing System.Range instances, the ^k syntax allows constructing System.Index instances, and those can be used to index/slice collections.
Null-coalescing assignment: ??= allows conditionally assigning when the value is null.
Static local functions: local functions modified with static cannot capture this or local variables, and local function parameters now shadow locals in parent scopes.
Unmanaged generic structs: generic struct types that only have unmanaged fields are now considered unmanaged (ie. they satisfy the unmanaged constraint).
Readonly members: individual members can now be marked as readonly to indicate and enforce that they do not modify instance state.
Stackalloc in nested contexts: stackalloc expressions are now allowed in more expression contexts.
Alternative interpolated verbatim strings: @$"..." strings are recognized as interpolated verbatim strings just like $@"...".
Obsolete on property accessors: property accessors can now be individually marked as obsolete.
Permit t is null on unconstrained type parameter

[source] : https://github.com/dotnet/csharplang/blob/master/Language-Version-History.md

Try this command:

Dism.exe /online /enable-feature /featurename:NetFX3 /Source:I:\Sources\sxs /LimitAccess

I: partition of your Windows DVD.

In PowerShell you can use the following to get the target runtime:

$path = "C:\Some.dll"
[Reflection.Assembly]::ReflectionOnlyLoadFrom($path).ImageRuntimeVersion

I adapted this to PowerShell from Ben Griswold's answer.

If you want to know the target framework version specified in Visual Studio, use:

$path = "C:\Some.dll"
[Reflection.Assembly]::ReflectionOnlyLoadFrom($path).CustomAttributes |
Where-Object {$_.AttributeType.Name -eq "TargetFrameworkAttribute" } | 
Select-Object -ExpandProperty ConstructorArguments | 
Select-Object -ExpandProperty value

You should get something like

.NETFramework,Version=v4.5.2

I use this as part of my utils. With this we can not only set shadow but also can get a rounded corner for any UIView. Also you could set what color shadow you prefer. Normally black is preferred but sometimes, when the background is non-white you might want something else. Here's what I use -

in utils.m
+ (void)roundedLayer:(CALayer *)viewLayer 
              radius:(float)r 
              shadow:(BOOL)s
{
    [viewLayer setMasksToBounds:YES];
    [viewLayer setCornerRadius:r];        
    [viewLayer setBorderColor:[RGB(180, 180, 180) CGColor]];
    [viewLayer setBorderWidth:1.0f];
    if(s)
    {
        [viewLayer setShadowColor:[RGB(0, 0, 0) CGColor]];
        [viewLayer setShadowOffset:CGSizeMake(0, 0)];
        [viewLayer setShadowOpacity:1];
        [viewLayer setShadowRadius:2.0];
    }
    return;
}

To use this we need to call this - [utils roundedLayer:yourview.layer radius:5.0f shadow:YES];

You can also have a look at FLTK (C++ and not plain C though)

FLTK (pronounced "fulltick") is a cross-platform C++ GUI toolkit for UNIX®/Linux® (X11), Microsoft® Windows®, and MacOS® X. FLTK provides modern GUI functionality without the bloat and supports 3D graphics via OpenGL® and its built-in GLUT emulation.

FLTK is designed to be small and modular enough to be statically linked, but works fine as a shared library. FLTK also includes an excellent UI builder called FLUID that can be used to create applications in minutes.

Here are some quickstart screencasts

[Happy New Year!]

"All I want to do is join the tables and then group all the employees in a particular location together."

It sounds like what you want is for the output of the SQL statement to list every employee in the company, but first all the people in the Anaheim office, then the people in the Buffalo office, then the people in the Cleveland office (A, B, C, get it, obviously I don't know what locations you have).

In that case, lose the GROUP BY statement. All you need is ORDER BY loc.LocationID

 public static String[] textSort(String[] words) {
    for (int i = 0; i < words.length; i++) {
        for (int j = i + 1; j < words.length; j++) {
            if (words[i].compareTo(words[j]) > 0) {
                String temp = words[i];
                words[i] = words[j];
                words[j] = temp;
            }
        }
    }

    return words;
}

1. Go to the netbeans installation directory
2. Find configuration file [installation-directory]/etc/netbeans.conf
3. towards the end find the line netbeans_jdkhome=...
4. comment this line line using '#'
5. now run netbeans. launcher will find jdk itself (from $JDK_HOME/$JAVA_HOME) environment variable

example:

sudo vim /usr/local/netbeans-8.2/etc/netbeans.conf

Your code should be something like

require_once('class.twitter.php');

$t = new twitter;
$t->username = 'user';
$t->password = 'password';

$data = $t->publicTimeline();

Here's the simple, built-in way:

<span title="My tip">text</span>

That gives you plain text tooltips. If you want rich tooltips, with formatted HTML in them, you'll need to use a library to do that. Fortunately there are loads of those.

Thanks to Karl Knechtel i was able to understand your question. My interpretation:

1. You want a new list with the average of the element i and i+1.
2. You want to sum each element in the list.

First question using anonymous function (aka. Lambda function):

s = lambda l: [(l[0]+l[1])/2.] + s(l[1:]) if len(l)>1 else []  #assuming you want result as float
s = lambda l: [(l[0]+l[1])//2] + s(l[1:]) if len(l)>1 else []  #assuming you want floor result

Second question also using anonymous function (aka. Lambda function):

p = lambda l: l[0] + p(l[1:]) if l!=[] else 0

Both questions combined in a single line of code :

s = lambda l: (l[0]+l[1])/2. + s(l[1:]) if len(l)>1 else 0  #assuming you want result as float
s = lambda l: (l[0]+l[1])/2. + s(l[1:]) if len(l)>1 else 0  #assuming you want floor result

use the one that fits best your needs

I had the following problem where I was fetching data from a database and wanted to display a string containing \n. None of the solutions above worked for me and I finally came up with a solution: https://stackoverflow.com/a/61484190/7251208

 $.ajax({
            type: "POST",
            data: {data:the_id},
            url: "http://localhost/test/index.php/data/count_votes",
            success: function(data){
               //data will contain the vote count echoed by the controller i.e.  
                 "yourVoteCount"
              //then append the result where ever you want like
              $("span#votes_number").html(data); //data will be containing the vote count which you have echoed from the controller

                }
            });

in the controller

$data = $_POST['data'];  //$data will contain the_id
//do some processing
echo "yourVoteCount";

Clarification

i think you are confusing

{data:the_id}

with

success:function(data){

both the data are different for your own clarity sake you can modify it as

success:function(vote_count){
$(span#someId).html(vote_count);

All the above works, and here is another way if you just want to number of days/time back rather a entering date

select * from *table_name* where *datetime_column* BETWEEN DATE_SUB(NOW(), INTERVAL 30 DAY)  AND NOW() 

What about this code ? I use a fallback request mapping to catch 404 errors.

@Controller
@ControllerAdvice
public class ExceptionHandlerController {

    @ExceptionHandler(Exception.class)
    public ModelAndView exceptionHandler(HttpServletRequest request, HttpServletResponse response, Exception ex) {
        //If exception has a ResponseStatus annotation then use its response code
        ResponseStatus responseStatusAnnotation = AnnotationUtils.findAnnotation(ex.getClass(), ResponseStatus.class);

        return buildModelAndViewErrorPage(request, response, ex, responseStatusAnnotation != null ? responseStatusAnnotation.value() : HttpStatus.INTERNAL_SERVER_ERROR);
    }

    @RequestMapping("*")
    public ModelAndView fallbackHandler(HttpServletRequest request, HttpServletResponse response) throws Exception {
        return buildModelAndViewErrorPage(request, response, null, HttpStatus.NOT_FOUND);
    }

    private ModelAndView buildModelAndViewErrorPage(HttpServletRequest request, HttpServletResponse response, Exception ex, HttpStatus httpStatus) {
        response.setStatus(httpStatus.value());

        ModelAndView mav = new ModelAndView("error.html");
        if (ex != null) {
            mav.addObject("title", ex);
        }
        mav.addObject("content", request.getRequestURL());
        return mav;
    }

}

First make your file delegate for UITextField

@interface MYLoginViewController () <UITextFieldDelegate>

@end

Then add this method to your code.

- (BOOL)textFieldShouldReturn:(UITextField *)textField {        
    [textField resignFirstResponder];
    return YES;
}

Also add self.textField.delegate = self;

You can set the horizontal alignment of ticklabels, see the example below. If you imagine a rectangular box around the rotated label, which side of the rectangle do you want to be aligned with the tickpoint?

Given your description, you want: ha='right'

n=5

x = np.arange(n)
y = np.sin(np.linspace(-3,3,n))
xlabels = ['Ticklabel %i' % i for i in range(n)]

fig, axs = plt.subplots(1,3, figsize=(12,3))

ha = ['right', 'center', 'left']

for n, ax in enumerate(axs):
    ax.plot(x,y, 'o-')
    ax.set_title(ha[n])
    ax.set_xticks(x)
    ax.set_xticklabels(xlabels, rotation=40, ha=ha[n])

Attach an event handler to the submit event of the form. Make sure it cancels the default action.

Quirks Mode has a guide to event handlers, but you would probably be better off using a library to simplify the code and iron out the differences between browsers. All the major ones (such as YUI and jQuery) include event handling features, and there is a large collection of tiny event libraries.

Here is how you would do it in YUI 3:

<script src="http://yui.yahooapis.com/3.4.1/build/yui/yui-min.js"></script>
<script>
    YUI().use('event', function (Y) {
        Y.one('form').on('submit', function (e) {
            // Whatever else you want to do goes here
            e.preventDefault();
        });
    });
</script>

Make sure that the server will pick up the slack if the JavaScript fails for any reason.

a complete code for reading from a webservice in two ways

public void buttonclick(View view) {
    // the name of your webservice where reactance is your method
    new GetMethodDemo().execute("http://wervicename.nl/service.asmx/reactance");
}

public class GetMethodDemo extends AsyncTask<String, Void, String> {
    //see also: 
    // https://developer.android.com/reference/java/net/HttpURLConnection.html
    //writing to see:    https://docs.oracle.com/javase/tutorial/networking/urls/readingWriting.html
    String server_response;
    @Override
    protected String doInBackground(String... strings) {
        URL url;
        HttpURLConnection urlConnection = null;
        try {
            url = new URL(strings[0]);
            urlConnection = (HttpURLConnection) url.openConnection();
            int responseCode = urlConnection.getResponseCode();
            if (responseCode == HttpURLConnection.HTTP_OK) {
                server_response = readStream(urlConnection.getInputStream());
                Log.v("CatalogClient", server_response);
            }
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }

        try {
            url = new URL(strings[0]);
            urlConnection = (HttpURLConnection) url.openConnection();
            BufferedReader in = new BufferedReader(new InputStreamReader(
                    urlConnection.getInputStream()));
            String inputLine;
            while ((inputLine = in.readLine()) != null)
                System.out.println(inputLine);
            in.close();
            Log.v("bufferv ", server_response);
        } catch (MalformedURLException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return null;
    }

    @Override
    protected void onPostExecute(String s) {
        super.onPostExecute(s);
        Log.e("Response", "" + server_response);
   //assume there is a field with id editText
        EditText editText = (EditText) findViewById(R.id.editText);
        editText.setText(server_response);
    }
}

I encountered the same problem and solved it by

git checkout -f branch

and its specification is rather clear.

-f, --force

When switching branches, proceed even if the index or the working tree differs from HEAD. This is used to throw away local changes.

When checking out paths from the index, do not fail upon unmerged entries; instead, unmerged entries are ignored.

You can give variable names as project files. For instance in you plugin configuration give only one tag as below:-

<projectFile>${projectName}</projectFile>

Then on command line you can pass the project name as parameter:-

mvn [your-command] -DprojectName=[name of project]

If the problem is 100% here

EffectSelectorForm effectSelectorForm = new EffectSelectorForm(Effects);

There's only one possible explanation: property/variable "Effects" is not initialized properly... Debug your code to see what you pass to your objects.

EDIT after several hours

There were some problems:

• MEF attribute [Import] didn't work as expected, so we replaced it for the time being with a manually populated List<>. While the collection was null, it was causing exceptions later in the code, when the method tried to get the type of the selected item and there was none.

• several event handlers weren't wired up to control events

Some problems are still present, but I believe OP's original problem has been fixed. Other problems are not related to this one.

Find one element

To find the element with a given name in an array you can use find:

arr.find(item=>item.name=="k1");

Note that find will return just one item (namely the first match):

{
  "name": "k1",
  "value": "abc"
}

Find all elements

In your original array there's only one item occurrence of each name.

If the array contains multiple elements with the same name and you want them all then use filter, which will return an array.

var arr = [];_x000D_
arr.push({name:"k1", value:"abc"});_x000D_
arr.push({name:"k2", value:"hi"});_x000D_
arr.push({name:"k3", value:"oa"});_x000D_
arr.push({name:"k1", value:"def"});_x000D_
_x000D_
var item;_x000D_
_x000D_
// find the first occurrence of item with name "k1"_x000D_
item = arr.find(item=>item.name=="k1");_x000D_
console.log(item);_x000D_
_x000D_
// find all occurrences of item with name "k1"_x000D_
// now item is an array_x000D_
item = arr.filter(item=>item.name=="k1");_x000D_
console.log(item);

Find indices

Similarly, for indices you can use findIndex (for finding the first match) and filter + map to find all indices.

var arr = [];_x000D_
arr.push({name:"k1", value:"abc"});_x000D_
arr.push({name:"k2", value:"hi"});_x000D_
arr.push({name:"k3", value:"oa"});_x000D_
arr.push({name:"k1", value:"def"});_x000D_
_x000D_
var idx;_x000D_
_x000D_
// find index of the first occurrence of item with name "k1"_x000D_
idx = arr.findIndex(item=>item.name == "k1");_x000D_
console.log(idx, arr[idx].value);_x000D_
_x000D_
// find indices of all occurrences of item with name "k1"_x000D_
// now idx is an array_x000D_
idx = arr.map((item, i) => item.name == "k1" ? i : '').filter(String);_x000D_
console.log(idx);

Local variables do not get default values. Their initial values are undefined without assigning values by some means. Before you can use local variables they must be initialized.

There is a big difference when you declare a variable at class level (as a member, i.e., as a field) and at the method level.

If you declare a field at the class level they get default values according to their type. If you declare a variable at the method level or as a block (means any code inside {}) do not get any values and remain undefined until somehow they get some starting values, i.e., some values assigned to them.

The most efficient structure in terms of RAM (and CPU) to hold the combined array would be a special class that implements IEnumerable (or if you wish even derives from Array) and links internally to the original arrays to read the values. AFAIK Concat does just that.

In your sample code you could omit the .ToArray() though, which would make it more efficient.

There are misleading answers to this question here that imply Hashtable put method will replace the existing value if the key exists, this is not true for Hashtable but rather for HashMap. See Javadoc for HashMap http://docs.oracle.com/javase/7/docs/api/java/util/HashMap.html#put%28K,%20V%29

You have several options

integer(3)
numeric(3)
rep(0, 3)
rep(0L, 3)

I'm not sure you have gotten past this yet, but I had to work on something very similar today and I got your fiddle working like you are asking, basically what I did was make another table row under it, and then used the accordion control. I tried using just collapse but could not get it working and saw an example somewhere on SO that used accordion.

Here's your updated fiddle: http://jsfiddle.net/whytheday/2Dj7Y/11/

Since I need to post code here is what each collapsible "section" should look like ->

<tr data-toggle="collapse" data-target="#demo1" class="accordion-toggle">
    <td>1</td>
    <td>05 May 2013</td>
    <td>Credit Account</td>
    <td class="text-success">$150.00</td>
    <td class="text-error"></td>
    <td class="text-success">$150.00</td>
</tr>

<tr>
    <td colspan="6" class="hiddenRow">
        <div class="accordion-body collapse" id="demo1">Demo1</div>
    </td>
</tr>

Both methods have their problems.

If the subclass changes the identity, then you need to compare their actual classes. Otherwise, you violate the symmetric property. For instance, different types of Persons should not be considered equivalent, even if they have the same name.

However, some subclasses don't change identity and these need to use instanceof. For instance, if we have a bunch of immutable Shape objects, then a Rectangle with length and width of 1 should be equal to the unit Square.

In practice, I think the former case is more likely to be true. Usually, subclassing is a fundamental part of your identity and being exactly like your parent except you can do one little thing does not make you equal.

In .Net through version 4 this can be done the same way as for SQL Server Stored Procs but note that you need:

using System.Data.OracleClient;

There are some system requirements here that you should verify are OK in your scenario.

Microsoft is deprecating this namespace as of .Net 4 so third-party providers will be needed in the future. With this in mind, you may be better off using Oracle Data Provider for .Net (ODP.NET) from the word go - this has optimizations that are not in the Microsoft classes. There are other third-party options, but Oracle has a strong vested interest in keeping .Net developers on board so theirs should be good.

Here is what worked for me:

import mock
@mock.patch('requests.get', mock.Mock(side_effect = lambda k:{'aurl': 'a response', 'burl' : 'b response'}.get(k, 'unhandled request %s'%k)))

According to the standard, you should be safe with that assumption. The C++ bool type has two values - true and false with corresponding values 1 and 0.

The thing to watch about for is mixing bool expressions and variables with BOOL expression and variables. The latter is defined as FALSE = 0 and TRUE != FALSE, which quite often in practice means that any value different from 0 is considered TRUE.

A lot of modern compilers will actually issue a warning for any code that implicitly tries to cast from BOOL to bool if the BOOL value is different than 0 or 1.

"Chrome violations" don't represent errors in either Chrome or your own web app. They are instead warnings to help you improve your app. In this case, Long running JavaScript and took 83ms of runtime are alerting you there's probably an opportunity to speed up your script.

("Violation" is not the best terminology; it's used here to imply the script "violates" a pre-defined guideline, but "warning" or similar would be clearer. These messages first appeared in Chrome in early 2017 and should ideally have a "More info" prompt to elaborate on the meaning and give suggested actions to the developer. Hopefully those will be added in the future.)

Working Example here - add /edit to the URL to play with the code

You just need to use JavaScript setInterval function

$('html').addClass('js');_x000D_
_x000D_
$(function() {_x000D_
_x000D_
  var timer = setInterval(showDiv, 5000);_x000D_
_x000D_
  var counter = 0;_x000D_
_x000D_
  function showDiv() {_x000D_
    if (counter == 0) {_x000D_
      counter++;_x000D_
      return;_x000D_
    }_x000D_
_x000D_
    $('div', '#container')_x000D_
      .stop()_x000D_
      .hide()_x000D_
      .filter(function() {_x000D_
        return this.id.match('div' + counter);_x000D_
      })_x000D_
      .show('fast');_x000D_
    counter == 3 ? counter = 0 : counter++;_x000D_
_x000D_
  }_x000D_
_x000D_
});

<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>_x000D_
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"_x000D_
       "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">_x000D_
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">_x000D_
_x000D_
<head>_x000D_
  <script src="http://ajax.googleapis.com/ajax/libs/jquery/1.3.2/jquery.min.js"></script>_x000D_
  <title>Sandbox</title>_x000D_
  <meta http-equiv="Content-type" content="text/html; charset=utf-8" />_x000D_
  <style type="text/css" media="screen">_x000D_
    body {_x000D_
      background-color: #fff;_x000D_
      font: 16px Helvetica, Arial;_x000D_
      color: #000;_x000D_
    }_x000D_
    _x000D_
    .display {_x000D_
      width: 300px;_x000D_
      height: 200px;_x000D_
      border: 2px solid #000;_x000D_
    }_x000D_
    _x000D_
    .js .display {_x000D_
      display: none;_x000D_
    }_x000D_
  </style>_x000D_
</head>_x000D_
_x000D_
<body>_x000D_
  <h2>Example of using setInterval to trigger display of Div</h2>_x000D_
  <p>The first div will display after 10 seconds...</p>_x000D_
  <div id='container'>_x000D_
    <div id='div1' class='display' style="background-color: red;">_x000D_
      div1_x000D_
    </div>_x000D_
    <div id='div2' class='display' style="background-color: green;">_x000D_
      div2_x000D_
    </div>_x000D_
    <div id='div3' class='display' style="background-color: blue;">_x000D_
      div3_x000D_
    </div>_x000D_
    <div>_x000D_
</body>_x000D_
_x000D_
</html>

EDIT:

In response to your comment about the container div, just modify this

$('div','#container')

to this

$('#div1, #div2, #div3')

truncate tableName

That is what you are looking for.

Truncate will delete all records in the table, emptying it.

A little late, but I just ran across this problem and found the following:

host:/tmp$ asd=someletters_12345_moreleters.ext 
host:/tmp$ echo `expr $asd : '.*_\(.*\)_'`
12345
host:/tmp$ 

I used it to get millisecond resolution on an embedded system that does not have %N for date:

set `grep "now at" /proc/timer_list`
nano=$3
fraction=`expr $nano : '.*\(...\)......'`
$debug nano is $nano, fraction is $fraction

If you're sure that your absolute path 2 is always relative to absolute path, just remove the first N characters from path2, where N is the length of path1.

I use the header(name, value) method and give the return to webResource var:

Client client = Client.create();
WebResource webResource = client.resource("uri");

MultivaluedMap<String, String> queryParams = new MultivaluedMapImpl();
queryParams.add("json", js); //set parametes for request

appKey = "Bearer " + appKey; // appKey is unique number

//Get response from RESTful Server get(ClientResponse.class);
ClientResponse response = webResource.queryParams(queryParams)
    .header("Content-Type", "application/json;charset=UTF-8")
    .header("Authorization", appKey)
    .get(ClientResponse.class);

String jsonStr = response.getEntity(String.class);

Also, consider to use a repository manager such as Nexus and configure all your repositories there.

I have found simplest way to create Parcelable class

Coding in Perl, I used the rand() function that generates the number at random and wanted only 1, 2, or 3 to be randomly selected. Due to Perl printing out the number one when doing "1 + " ... so I also did a if else statement that if the number generated zero, run the function again, and it works like a charm.

printing out the results will always give a random number of either 1, 2, or 3.

That is just another idea and sure people will say that is newbie stuff but at the same time, I am a newbie but it works. My issue was when printing out my stuff, it kept spitting out that 1 being used to start at 1 and not zero for indexing.

Here's an easier way:

sudo apt-get install maven

More details are here.

There is a nice package called mat4py which can easily be installed using

pip install mat4py

It is straightforward to use (from the website):

Load data from a MAT-file

The function loadmat loads all variables stored in the MAT-file into a simple Python data structure, using only Python’s dict and list objects. Numeric and cell arrays are converted to row-ordered nested lists. Arrays are squeezed to eliminate arrays with only one element. The resulting data structure is composed of simple types that are compatible with the JSON format.

Example: Load a MAT-file into a Python data structure:

from mat4py import loadmat

data = loadmat('datafile.mat')

The variable data is a dict with the variables and values contained in the MAT-file.

Save a Python data structure to a MAT-file

Python data can be saved to a MAT-file, with the function savemat. Data has to be structured in the same way as for loadmat, i.e. it should be composed of simple data types, like dict, list, str, int, and float.

Example: Save a Python data structure to a MAT-file:

from mat4py import savemat

savemat('datafile.mat', data)

The parameter data shall be a dict with the variables.

you can git fetch nameofremoterepo, then git log

and personally, I alias gitlog to git log --graph --oneline --pretty --decorate --all. try out and see if it fits you

Use this code:

QFile inputFile(fileName);
if (inputFile.open(QIODevice::ReadOnly))
{
   QTextStream in(&inputFile);
   while (!in.atEnd())
   {
      QString line = in.readLine();
      ...
   }
   inputFile.close();
}

You can use espeak using python for text to speech converter.
Here is an example python code

    from subprocess import call
    speech="Hello World!"
    call(["espeak",speech])

P.S : if espeak isn't installed on your linux system then you need to install it first.
Open terminal(using ctrl + alt + T) and type

    sudo apt install espeak

This is the best explanation I've seen: Understand JavaScripts this with Clarity

The this reference ALWAYS refers to (and holds the value of) an object—a singular object—and it is usually used inside a function or a method, although it can be used outside a function in the global scope. Note that when we use strict mode, this holds the value of undefined in global functions and in anonymous functions that are not bound to any object.

There are Four Scenarios where this can be confusing:

1. When we pass a method (that uses this) as an argument to be used as a callback function.
2. When we use an inner function (a closure). It is important to take note that closures cannot access the outer function’s this variable by using the this keyword because the this variable is accessible only by the function itself, not by inner functions.
3. When a method which relies on this is assigned to a variable across contexts, in which case this references another object than originally intended.
4. When using this along with the bind, apply, and call methods.

He gives code examples, explanations, and solutions, which I thought was very helpful.

Actually, pretty much anywhere in typescript, passing a value to a function with a specified type will work as desired as long as the type being passed is compatible.

That being said, the following works...

 fetch(`http://swapi.co/api/people/1/`)
      .then(res => res.json())
      .then((res: Actor) => {
          // res is now an Actor
      });

I wanted to wrap all of my http calls in a reusable class - which means I needed some way for the client to process the response in its desired form. To support this, I accept a callback lambda as a parameter to my wrapper method. The lambda declaration accepts an any type as shown here...

callBack: (response: any) => void

But in use the caller can pass a lambda that specifies the desired return type. I modified my code from above like this...

fetch(`http://swapi.co/api/people/1/`)
  .then(res => res.json())
  .then(res => {
      if (callback) {
        callback(res);    // Client receives the response as desired type.  
      }
  });

So that a client can call it with a callback like...

(response: IApigeeResponse) => {
    // Process response as an IApigeeResponse
}

You can export the variable from first file using export.

//first.js
const colorCode = {
    black: "#000",
    white: "#fff"
};
export { colorCode };

Then, import the variable in second file using import.

//second.js
import { colorCode } from './first.js'

export - MDN

Well, the straightforward method is to create an appropriate class/structure which holds all your parameter values and pass that to the thread.

Another solution in VB10 is to use the fact that lambdas create a closure, which basically means the compiler doing the above automatically for you:

Dim evaluator As New Thread(Sub()
                                testthread(goodList, 1)
                            End Sub)

Using dplyr:

require(dplyr)    
df <- data.frame(A = c(1, 1, 2, 3, 3), B = c(2, 3, 3, 5, 6))
df %>% group_by(A) %>% summarise(B = sum(B))

## Source: local data frame [3 x 2]
## 
##   A  B
## 1 1  5
## 2 2  3
## 3 3 11

With sqldf:

library(sqldf)
sqldf('SELECT A, SUM(B) AS B FROM df GROUP BY A')

Frank Heikens answer will only update database ownership. Often, you also want to update ownership of contained objects (including tables). Starting with Postgres 8.2, REASSIGN OWNED is available to simplify this task.

IMPORTANT EDIT!

Never use REASSIGN OWNED when the original role is postgres, this could damage your entire DB instance. The command will update all objects with a new owner, including system resources (postgres0, postgres1, etc.)

First, connect to admin database and update DB ownership:

psql
postgres=# REASSIGN OWNED BY old_name TO new_name;

This is a global equivalent of ALTER DATABASE command provided in Frank's answer, but instead of updating a particular DB, it change ownership of all DBs owned by 'old_name'.

The next step is to update tables ownership for each database:

psql old_name_db
old_name_db=# REASSIGN OWNED BY old_name TO new_name;

This must be performed on each DB owned by 'old_name'. The command will update ownership of all tables in the DB.

I am using Windows 10 and overcame this issue by running the pip install mysql-connector command in Windows PowerShell rather than the Command Prompt.

I don't think you should do this.

The POST is, as you know, to modify the collection and it's used to CREATE a new item. So, if you send the id (I think it's not a good idea), you should modify the collection, i.e., modify the item, but it's confusing.

Use it to add an item, without id. It's the best practice.

If you want to capture an UNIQUE constraint (not the id) you can response 409, as you can do in PUT requests. But not the ID.

I know it sounds silly, but after trying everything recomended for this timeout issue on when running on a device, I decided to try changing the cable and it worked. It's a Coby Kyros MID7015.

Trying another cable is a good and simple option to take a chance on.

Encountered a similar problem after upgrading to Catalina OS. After running mysqld command, I found that there was some issue with the logs file. It could be different for others.

$ mysqld

Issue was

2019-10-16T04:58:59.174474Z 0 [ERROR] Could not open file '/var/log/mysql/error.log' for error logging: No such file or directory
2019-10-16T04:58:59.174508Z 0 [ERROR] Aborting

Resolved it by creating it and applying proper permissions.

sudo mkdir -p /var/log/mysql
sudo touch /var/log/mysql/error.log
sudo chown -R _mysql:mysql /var/log/mysql/

Restart MySQL

brew services restart [email protected]

Issue was resolved.

mysql -uroot -proot

To convert a string back into a double, try the following

String s = "10.1";
Double d = Double.parseDouble(s);

The parseDouble method will achieve the desired effect, and so will the Double.valueOf() method.

This worked for me:

git init
git remote add origin PATH/TO/REPO
git fetch
git reset origin/master  # Required when the versioned files existed in path before "git init" of this repo.
git checkout -t origin/master

NOTE: -t will set the upstream branch for you, if that is what you want, and it usually is.

Starting pandas 1.0.0, we have pandas.DataFrame.convert_dtypes. You can even control what types to convert!

In [40]: df = pd.DataFrame(
    ...:     {
    ...:         "a": pd.Series([1, 2, 3], dtype=np.dtype("int32")),
    ...:         "b": pd.Series(["x", "y", "z"], dtype=np.dtype("O")),
    ...:         "c": pd.Series([True, False, np.nan], dtype=np.dtype("O")),
    ...:         "d": pd.Series(["h", "i", np.nan], dtype=np.dtype("O")),
    ...:         "e": pd.Series([10, np.nan, 20], dtype=np.dtype("float")),
    ...:         "f": pd.Series([np.nan, 100.5, 200], dtype=np.dtype("float")),
    ...:     }
    ...: )

In [41]: dff = df.copy()

In [42]: df 
Out[42]: 
   a  b      c    d     e      f
0  1  x   True    h  10.0    NaN
1  2  y  False    i   NaN  100.5
2  3  z    NaN  NaN  20.0  200.0

In [43]: df.dtypes
Out[43]: 
a      int32
b     object
c     object
d     object
e    float64
f    float64
dtype: object

In [44]: df = df.convert_dtypes()

In [45]: df.dtypes
Out[45]: 
a      Int32
b     string
c    boolean
d     string
e      Int64
f    float64
dtype: object

In [46]: dff = dff.convert_dtypes(convert_boolean = False)

In [47]: dff.dtypes
Out[47]: 
a      Int32
b     string
c     object
d     string
e      Int64
f    float64
dtype: object

Uninstall:

mysql> uninstall plugin validate_password;

An uninstalled plugin is not displayed by show plugins;

Install:

mysql> install plugin validate_password SONAME 'validate_password.so';

Disabled by configuration:

[mysqld]
validate_password = OFF

A plugin can be disabled by configuration only if installed.

This approach always works for me:

String newLine = System.getProperty("line.separator");
String textInNewLine = "this is my first line " + newLine + "this is my second 
line ";

EDIT: This method has been deprecated in Google Chrome and will no longer work.

ORIGINAL ANSWER:

I was able to clear the cache (including subsequent xhr) using chrome://net-internals

Then click the little arrow in the top right

Select "clear cache" from that menu.

If anyone is looking to only add, say, 10dp spacing between items, you can do so by setting a drawable to DividerItemDecoration:

DividerItemDecoration dividerItemDecoration = new DividerItemDecoration(
    recyclerView.getContext(),
    layoutManager.getOrientation()
);

dividerItemDecoration.setDrawable(
    ContextCompat.getDrawable(getContext(), R.drawable.divider_10dp)
); 

Where divider_10dpis a drawable resource containing:

<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
    <size android:height="10dp"/>
    <solid android:color="@android:color/transparent"/>
</shape>

Just put this line :

 builder.setAutoCancel(true);

And the full code is :

NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
    builder.setSmallIcon(android.R.drawable.ic_dialog_alert);
    Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse("https://www.google.co.in/"));
    PendingIntent pendingIntent = PendingIntent.getActivity(this, 0, intent, 0);
    builder.setContentIntent(pendingIntent);
    builder.setLargeIcon(BitmapFactory.decodeResource(getResources(), R.mipmap.misti_ic));
    builder.setContentTitle("Notifications Title");
    builder.setContentText("Your notification content here.");
    builder.setSubText("Tap to view the website.");
    Toast.makeText(getApplicationContext(), "The notification has been created!!", Toast.LENGTH_LONG).show();

    NotificationManager notificationManager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);
    builder.setAutoCancel(true);
    // Will display the notification in the notification bar
    notificationManager.notify(1, builder.build());

Try to see, if the service "SQL Server (MSSQLSERVER)" it's started, this solved my problem.

A 32 bit floating point number has 23 + 1 bits of mantissa and an 8 bit exponent (-126 to 127 is used though) so the largest number you can represent is:

(1 + 1 / 2 + ... 1 / (2 ^ 23)) * (2 ^ 127) = 
(2 ^ 23 + 2 ^ 23 + .... 1) * (2 ^ (127 - 23)) = 
(2 ^ 24 - 1) * (2 ^ 104) ~= 3.4e38

Iterable:- something that is iterable is iterable; like sequences like lists ,strings etc. Also it has either the __getitem__ method or an __iter__ method. Now if we use iter() function on that object, we'll get an iterator.

Iterator:- When we get the iterator object from the iter() function; we call __next__() method (in python3) or simply next() (in python2) to get elements one by one. This class or instance of this class is called an iterator.

From docs:-

The use of iterators pervades and unifies Python. Behind the scenes, the for statement calls iter() on the container object. The function returns an iterator object that defines the method __next__() which accesses elements in the container one at a time. When there are no more elements, __next__() raises a StopIteration exception which tells the for loop to terminate. You can call the __next__() method using the next() built-in function; this example shows how it all works:

>>> s = 'abc'
>>> it = iter(s)
>>> it
<iterator object at 0x00A1DB50>
>>> next(it)
'a'
>>> next(it)
'b'
>>> next(it)
'c'
>>> next(it)
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
    next(it)
StopIteration

Ex of a class:-

class Reverse:
    """Iterator for looping over a sequence backwards."""
    def __init__(self, data):
        self.data = data
        self.index = len(data)
    def __iter__(self):
        return self
    def __next__(self):
        if self.index == 0:
            raise StopIteration
        self.index = self.index - 1
        return self.data[self.index]


>>> rev = Reverse('spam')
>>> iter(rev)
<__main__.Reverse object at 0x00A1DB50>
>>> for char in rev:
...     print(char)
...
m
a
p
s

Your format specifier is incorrect. From the printf() man page on my machine:

0 A zero '0' character indicating that zero-padding should be used rather than blank-padding. A '-' overrides a '0' if both are used;

Field Width: An optional digit string specifying a field width; if the output string has fewer characters than the field width it will be blank-padded on the left (or right, if the left-adjustment indicator has been given) to make up the field width (note that a leading zero is a flag, but an embedded zero is part of a field width);

Precision: An optional period, '.', followed by an optional digit string giving a precision which specifies the number of digits to appear after the decimal point, for e and f formats, or the maximum number of characters to be printed from a string; if the digit string is missing, the precision is treated as zero;

For your case, your format would be %09.3f:

#include <stdio.h>

int main(int argc, char **argv)
{
  printf("%09.3f\n", 4917.24);
  return 0;
}

Output:

$ make testapp
cc     testapp.c   -o testapp
$ ./testapp 
04917.240

Note that this answer is conditional on your embedded system having a printf() implementation that is standard-compliant for these details - many embedded environments do not have such an implementation.

Take a look at SortedDictionary, there's even a constructor overload so you can pass in your own IComparable for the comparisons.

Coincidentally, this information is captured with the describe method:

df.time_diff.describe()

count    5.000000
mean     0.496667
std      0.032059
min      0.450000
25%      0.483333
50%      0.500000
75%      0.516667
max      0.533333
Name: time_diff, dtype: float64

This worked for me:

• Go to the settings app of your iPhone.
• Open your Facebook Settings
• Scroll down to your app and make sure your app allows facebook interaction.

This could happen on any device, therefore in your app you will have to make sure to handle this error correctly. I reckon you give the user feedback why Login With Facebook failed and ask the user to check their Facebook settings on their device.

 - (void)facebookSessionStateChanged:(FBSession *)session state:(FBSessionState)state error:(NSError *)error
{
    switch (state) {
        case FBSessionStateOpen:
            // handle successful login here
        case FBSessionStateClosed:
        case FBSessionStateClosedLoginFailed:
            [FBSession.activeSession closeAndClearTokenInformation];

            if (error) {
                // handle error here, for example by showing an alert to the user
                UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"Could not login with Facebook"
                                                                message:@"Facebook login failed. Please check your Facebook settings on your phone."
                                                               delegate:nil
                                                      cancelButtonTitle:@"OK"
                                                  otherButtonTitles:nil];
                [alert show];
            }
            break;
        default:
            break;
    }

intersection of N arrays in coffeescript

getIntersection: (arrays) ->
    if not arrays.length
        return []
    a1 = arrays[0]
    for a2 in arrays.slice(1)
        a = (val for val in a1 when val in a2)
        a1 = a
    return a1.unique()

Update

As mentioned in several other answers here, this 'accepted' answer is outdated and is no longer correct. VS Code now has the concept of a 'workspace' which lets you add several 'root' folders to VS Code in the same window.

For instance, when working on a project in one folder that utilizes shared code held in a different folder, you can now open both the project folder and the shared folder in the same window.

To do this you use the Add folder to Workspace... command. VS Code then saves this configuration in a new file with a .code-workspace extension. If you double-click that file, VS Code will re-open with both folders present.

Original Accepted Answer (Outdated)

As described in The Basics of Visual Studio Code article:

"VSCode is file and folder based - you can get started immediately by opening a file or folder in VSCode."

This means the concept of solution and project files, like the .sln and .csproj, have no real function in VSCode other than that it uses these only to target and identify which language to support for Intellisense and such.

Simply put, the folder you open is the root you work with. But of course there is nothing from stopping you to open multiple windows.

As for the request features options, navigate to Help > Request Features which will redirect you to the UserVoice page of VSCode.

Given a list:

var list = new List<Child>()
{
    new Child()
        {School = "School1", FavoriteColor = "blue", Friend = "Bob", Name = "John"},
    new Child()
        {School = "School2", FavoriteColor = "blue", Friend = "Bob", Name = "Pete"},
    new Child()
        {School = "School1", FavoriteColor = "blue", Friend = "Bob", Name = "Fred"},
    new Child()
        {School = "School2", FavoriteColor = "blue", Friend = "Fred", Name = "Bob"},
};

The query would look like:

var newList = list
    .GroupBy(x => new {x.School, x.Friend, x.FavoriteColor})
    .Select(y => new ConsolidatedChild()
        {
            FavoriteColor = y.Key.FavoriteColor,
            Friend = y.Key.Friend,
            School = y.Key.School,
            Children = y.ToList()
        }
    );

Test code:

foreach(var item in newList)
{
    Console.WriteLine("School: {0} FavouriteColor: {1} Friend: {2}", item.School,item.FavoriteColor,item.Friend);
    foreach(var child in item.Children)
    {
        Console.WriteLine("\t Name: {0}", child.Name);
    }
}

Result:

School: School1 FavouriteColor: blue Friend: Bob
    Name: John
    Name: Fred
School: School2 FavouriteColor: blue Friend: Bob
    Name: Pete
School: School2 FavouriteColor: blue Friend: Fred
    Name: Bob

Have a look at the documentation for -[UIStoryboard instantiateViewControllerWithIdentifier:]. This allows you to instantiate a view controller from your storyboard using the identifier that you set in the IB Attributes Inspector:

EDITED to add example code:

UIStoryboard *mainStoryboard = [UIStoryboard storyboardWithName:@"MainStoryboard"
                                                         bundle: nil];

MyViewController *controller = (MyViewController*)[mainStoryboard 
                    instantiateViewControllerWithIdentifier: @"<Controller ID>"];

try this:

 string.Format("{0:HH:mm:ss tt}", DateTime.Now);

for further details you can check it out : How do you get the current time of day?

I know this is a very old thread but just incase someone like myself needs this solution but in VB.NET here's what I used base on the answers above.

Private Function ValidateUniquePayroll(PropertyToCheck As String) As Boolean
    // Return true if Username is Unique
    Dim rtnValue = False
    Dim context = New CPMModel.CPMEntities
    If (context.Employees.Any()) Then ' Check if there are "any" records in the Employee table
        Dim employee = From c In context.Employees Select c.PayrollNumber ' Select just the PayrollNumber column to work with
        For Each item As Object In employee ' Loop through each employee in the Employees entity
            If (item = PropertyToCheck) Then ' Check if PayrollNumber in current row matches PropertyToCheck
                // Found a match, throw exception and return False
                rtnValue = False
                Exit For
            Else
                // No matches, return True (Unique)
                rtnValue = True
            End If
        Next
    Else
        // The is currently no employees in the person entity so return True (Unqiue)
        rtnValue = True
    End If
    Return rtnValue
End Function

You can use the following library:

https://github.com/pnowy/NativeCriteria

The library is built on the top of the Hibernate "create sql query" so it supports all databases supported by Hibernate (the Hibernate session and JPA providers are supported). The builder patter is available and so on (object mappers, result mappers).

You can find the examples on github page, the library is available at Maven central of course.

NativeCriteria c = new NativeCriteria(new HibernateQueryProvider(hibernateSession), "table_name", "alias");
c.addJoin(NativeExps.innerJoin("table_name_to_join", "alias2", "alias.left_column", "alias2.right_column"));
c.setProjection(NativeExps.projection().addProjection(Lists.newArrayList("alias.table_column","alias2.table_column")));

If you want to get this library into your library and use it, follow these steps:

1. You can create a new folder within Eclipse by right-clicking on your project, and selecting New Folder. The library folder is traditionally called lib.

2. Drag and drop your jar folder into the new lib folder, and when prompted select Copy Files.

3. Selecting the Project tab at the top of the screen, and click Properties.

4. Select Java Build Path followed by the Libraries tab.

5. Click the Add JARs… button and select your JAR file from within the lib folder.

6. Your JAR file will now appear in both the lib and Referenced Libraries folders. You can explore the JAR's resources by clicking Referenced Libraries.

Heuristics are algorithms, so in that sense there is none, however, heuristics take a 'guess' approach to problem solving, yielding a 'good enough' answer, rather than finding a 'best possible' solution.

A good example is where you have a very hard (read NP-complete) problem you want a solution for but don't have the time to arrive to it, so have to use a good enough solution based on a heuristic algorithm, such as finding a solution to a travelling salesman problem using a genetic algorithm.

on my mac i found this file .gitignore_global ..it was in my home directory hidden so do a ls -altr to see it.

I added eclipse files i wanted git to ignore. the contents looks like this:

 *~
.DS_Store
.project
.settings
.classpath
.metadata

For Laravel 2020. Ok, an example:

<form class="modal-content animate" action="{{ url('login_kun')  }}" method="post">
  @csrf   // !!! attention - this string is a must 
....
 </form>

And then in web.php:

Route::post("/login_kun", "LoginController@login");

And one more in new created LoginController:

 public function login(Request $request){
    dd($request->all());
}

and you are done my friend.

Dont use spaces:

SET @var="GREG"
::instead of SET @var = "GREG"
ECHO %@var%
PAUSE

To get listing of object properties/values:

1. In Firefox - Firebug:

   console.dir(<object>);
   

2. Standard JS to get object keys borrowed from Slashnick:

      var fGetKeys = function(obj){
         var keys = [];
         for(var key in obj){
            keys.push(key);
         }
         return keys;
      }
   
   // Example to call it:
   
      var arrKeys = fGetKeys(document);
   
      for (var i=0, n=arrKeys.length; i<n; i++){
         console.log(i+1 + " - " + arrKeys[i] + document[arrKeys[i]] + "\n");
      }
   

Edits:

1. <object> in the above is to be replaced with the variable reference to the object.
2. console.log() is to be used in the console, if you're unsure what that is, you can replace it with an alert()

You can follow this approach :

• Connect to remote machine using Expect Script. If your machine doesn't support expect you can download the same. Writing Expect script is very easy (google to get help on this)
• Put all the action which needs to be performed on remote server in a shell script.
• Invoke remote shell script from expect script once login is successful.

Remove space between classes in css selector:

driver.find_element_by_css_selector('.button .c_button .s_button').click()
#                                           ^         ^

=>

driver.find_element_by_css_selector('.button.c_button.s_button').click()

MongoDB shell version v4.2.6
Node v14.2.0

Assuming you have a Tour Model: tourModel.js

const mongoose = require('mongoose');

const tourSchema = new mongoose.Schema({
  name: {
    type: String,
    required: [true, 'A tour must have a name'],
    unique: true,
    trim: true,
  },
  createdAt: {
    type: Date,
    default: Date.now(),
  },
});
const Tour = mongoose.model('Tour', tourSchema);

module.exports = Tour;

Now you want to delete all tours at once from your MongoDB, I also providing connection code to connect with the remote cluster. I used deleteMany(), if you do not pass any args to deleteMany(), then it will delete all the documents in Tour collection.

const mongoose = require('mongoose');
const Tour = require('./../../models/tourModel');
const conStr = 'mongodb+srv://lord:<PASSWORD>@cluster0-eeev8.mongodb.net/tour-guide?retryWrites=true&w=majority';
const DB = conStr.replace('<PASSWORD>','ADUSsaZEKESKZX');
mongoose.connect(DB, {
    useNewUrlParser: true,
    useCreateIndex: true,
    useFindAndModify: false,
    useUnifiedTopology: true,
  })
  .then((con) => {
    console.log(`DB connection successful ${con.path}`);
  });

const deleteAllData = async () => {
  try {
    await Tour.deleteMany();
    console.log('All Data successfully deleted');
  } catch (err) {
    console.log(err);
  }
};

Label's aren't form elements. They don't have a value. They have innerHTML and textContent.

Thus,

$('#telefon').html() 
// or
$('#telefon').text()

or

var telefon = document.getElementById('telefon');
telefon.innerHTML;

If you are starting with your form element, check out the labels list of it. That is,

var el = $('#myformelement');
var label = $( el.prop('labels') );
// label.html();
// el.val();
// blah blah blah you get the idea

try this code it will make your input into upper case

edittext.setFilters(new InputFilter[] {new InputFilter.AllCaps()});

Once I had written a program that handle the short (-h), long (--help) and non-option arguments in batch file. This techniques includes:

• non-option arguments followed by a option arguments.

• shift operator for those options that have no argument like '--help'.

• two time shift operator for those options that require an argument.

• loop through a label for processing all command line arguments.

• Exit script and stop processing for those options that no need to require further action like '--help'.

• Wrote help functions for user guidiness

Here is my code.

set BOARD=
set WORKSPACE=
set CFLAGS=
set LIB_INSTALL=true
set PREFIX=lib
set PROGRAM=install_boards

:initial
 set result=false
 if "%1" == "-h" set result=true
 if "%1" == "--help" set result=true
 if "%result%" == "true" (
 goto :usage
 )
 if "%1" == "-b" set result=true
 if "%1" == "--board" set result=true
 if "%result%" == "true" (
 goto :board_list
 )
 if "%1" == "-n" set result=true
 if "%1" == "--no-lib" set result=true
 if "%result%" == "true" (
 set LIB_INSTALL=false
 shift & goto :initial
 )
 if "%1" == "-c" set result=true
 if "%1" == "--cflag" set result=true
 if "%result%" == "true" (
 set CFLAGS=%2
 if not defined CFLAGS (
 echo %PROGRAM%: option requires an argument -- 'c'
 goto :try_usage
 )
 shift & shift & goto :initial
 )
 if "%1" == "-p" set result=true
 if "%1" == "--prefix" set result=true
 if "%result%" == "true" (
 set PREFIX=%2
 if not defined PREFIX (
 echo %PROGRAM%: option requires an argument -- 'p'
 goto :try_usage
 )
 shift & shift & goto :initial
 )

:: handle non-option arguments
set BOARD=%1
set WORKSPACE=%2

goto :eof


:: Help section

:usage
echo Usage: %PROGRAM% [OPTIONS]... BOARD... WORKSPACE
echo Install BOARD to WORKSPACE location.
echo WORKSPACE directory doesn't already exist!
echo.
echo Mandatory arguments to long options are mandatory for short options too.
echo   -h, --help                   display this help and exit
echo   -b, --boards                 inquire about available CS3 boards
echo   -c, --cflag=CFLAGS           making the CS3 BOARD libraries for CFLAGS
echo   -p. --prefix=PREFIX          install CS3 BOARD libraries in PREFIX
echo                                [lib]
echo   -n, --no-lib                 don't install CS3 BOARD libraries by default
goto :eof

:try_usage
echo Try '%PROGRAM% --help' for more information
goto :eof

As already mentioned, you can simply cast long to double. But be careful with long to double conversion because long to double is a narrowing conversion in java.

Conversion from type double to type long requires a nontrivial translation from a 64-bit floating-point value to the 64-bit integer representation. Depending on the actual run-time value, information may be lost.

e.g. following program will print 1 not 0

    long number = 499999999000000001L;
    double converted = (double) number;
    System.out.println( number - (long) converted);

The below code doesn't return the correct screen size sometimes:

MediaQuery.of(context).size

I tested on SAMSUNG SM-T580, which returns {width: 685.7, height: 1097.1} instead of the real resolution 1920x1080.

Please use:

import 'dart:ui';

window.physicalSize;

Becareful with swig and C++: http://www.swig.org/Doc1.3/SWIG.html#SWIG_nn8

Running SWIG on C++ source files (what would appear in a .C or .cxx file) is not recommended. Even though SWIG can parse C++ class declarations, it ignores declarations that are decoupled from their original class definition (the declarations are parsed, but a lot of warning messages may be generated). For example:

/* Not supported by SWIG */
int foo::bar(int) {
    ... whatever ...
}

It's rarely to have a C++ class limited to only one .h file.

Also, the versions of swig supporting JavaScript is swig-3.0.1 or later.

More details on how to set the OnKeyListener, and have it listen for the Done button.

First add OnKeyListener to the implements section of your class. Then add the function defined in the OnKeyListener interface:

/*
 * Respond to soft keyboard events, look for the DONE press on the password field.
 */
public boolean onKey(View v, int keyCode, KeyEvent event)
{
    if ((event.getAction() == KeyEvent.ACTION_DOWN) &&
        (keyCode == KeyEvent.KEYCODE_ENTER))
    {
        // Done pressed!  Do something here.
    }
    // Returning false allows other listeners to react to the press.
    return false;
}

Given an EditText object:

EditText textField = (EditText)findViewById(R.id.MyEditText);
textField.setOnKeyListener(this);

This problem is encountered when you try to import an Android Studio project from the ../app/build.gradle file.

Import the project by selecting the ../build.gradle file located in the root directory of your project.

I think that what you want to do is turn the JSON string back into an object when it arrives back in your XMLHttpRequest - correct?

If so, you need to eval the string to turn it into a JavaScript object - note that this can be unsafe as you're trusting that the JSON string isn't malicious and therefore executing it. Preferably you could use jQuery's parseJSON

Here is the simplest solution based on [https://en.wikipedia.org/wiki/Coefficient_of_determination]

# 1. 'Actual' and 'Predicted' data
df <- data.frame(
  y_actual = c(1:5),
  y_predicted  = c(0.8, 2.4, 2, 3, 4.8))

# 2. R2 Score components

# 2.1. Average of actual data
avr_y_actual <- mean(df$y_actual)

# 2.2. Total sum of squares
ss_total <- sum((df$y_actual - avr_y_actual)^2)

# 2.3. Regression sum of squares
ss_regression <- sum((df$y_predicted - avr_y_actual)^2)

# 2.4. Residual sum of squares
ss_residuals <- sum((df$y_actual - df$y_predicted)^2)

# 3. R2 Score
r2 <- 1 - ss_residuals / ss_total

I found, that chrome and chromedriver versions support policy has changed recently.

As stated on downloads page:

• If you are using Chrome version 89, please download ChromeDriver 89.0.4389.23
  
• If you are using Chrome version 88, please download ChromeDriver 88.0.4324.96
  
• If you are using Chrome version 87, please download ChromeDriver 87.0.4280.88
  
• If you are using Chrome version 86, please download ChromeDriver 86.0.4240.22
  
• If you are using Chrome version 85, please download ChromeDriver 85.0.4183.87
  
• If you are using Chrome version 84, please download ChromeDriver 84.0.4147.30
  
• If you are using Chrome version 83, please download ChromeDriver 83.0.4103.39
  
• If you are using Chrome version 81, please download ChromeDriver 81.0.4044.69
  
• If you are using Chrome version 80, please download ChromeDriver 80.0.3987.106
  
• If you are using Chrome version 79, please download ChromeDriver 79.0.3945.36
  
• If you are using Chrome version 78, please download ChromeDriver 78.0.3904.105
  
• If you are using Chrome version 77, please download ChromeDriver 77.0.3865.40
  
• If you are using Chrome version 76, please download ChromeDriver 76.0.3809.126
  
• If you are using Chrome version 75, please download ChromeDriver 75.0.3770.140
  
• If you are using Chrome version 74, please download ChromeDriver 74.0.3729.6
  
• If you are using Chrome version 73, please download ChromeDriver 73.0.3683.68
  
• For older version of Chrome, please see Barett's anwer
  

There is general guide to select version of crhomedriver for specific chrome version: https://sites.google.com/a/chromium.org/chromedriver/downloads/version-selection

Here is excerpt:

• First, find out which version of Chrome you are using. Let's say you have Chrome 72.0.3626.81.
• Take the Chrome version number, remove the last part, and append the result to URL "https://chromedriver.storage.googleapis.com/LATEST_RELEASE_". For example, with Chrome version 72.0.3626.81, you'd get a URL "https://chromedriver.storage.googleapis.com/LATEST_RELEASE_72.0.3626".
• Use the URL created in the last step to retrieve a small file containing the version of ChromeDriver to use. For example, the above URL will get your a file containing "72.0.3626.69". (The actual number may change in the future, of course.)
• Use the version number retrieved from the previous step to construct the URL to download ChromeDriver. With version 72.0.3626.69, the URL would be "https://chromedriver.storage.googleapis.com/index.html?path=72.0.3626.69/".
• After the initial download, it is recommended that you occasionally go through the above process again to see if there are any bug fix releases.

Note, that this version selection algorithm can be easily automated. For example, simple powershell script in another answer has automated chromedriver updating on windows platform.

Always best to have a primary key. This way it meets first normal form and allows you to continue along the database normalization path.

As stated by others, there are some reasons not to have a primary key, but most will not be harmed if there is a primary key

For only digits input use android:inputType="numberPassword" along with editText.setTransformationMethod(null); to remove auto-hiding of the number.

OR

android:inputType="phone"

For only digits input, I feel these couple ways are better than android:inputType="number". The limitation of mentioning "number" as inputType is that the keyboard allows to switch over to characters and also lets other special characters be entered. "numberPassword" inputType doesn't have those issues as the keyboard only shows digits. Even "phone" inputType works as the keyboard doesnt allow you to switch over to characters. But you can still enter couple special characters like +, /, N, etc.

android:inputType="numberPassword" with editText.setTransformationMethod(null);

inputType="phone"

inputType="number"

You should try this one.

var table = $('#example').DataTable();
table.columns.adjust().draw();

Link: column adjust in datatable

You want to enclose it with a scrollView.

A very very good document regarding this topic is Troubleshooting Guide for Java from (originally) Sun. See the chapter "Troubleshooting System Crashes" for information about hs_err_pid* Files.

See Appendix C - Fatal Error Log

Per the guide, by default the file will be created in the working directory of the process if possible, or in the system temporary directory otherwise. A specific location can be chosen by passing in the -XX:ErrorFile product flag. It says:

If the -XX:ErrorFile= file flag is not specified, the system attempts to create the file in the working directory of the process. In the event that the file cannot be created in the working directory (insufficient space, permission problem, or other issue), the file is created in the temporary directory for the operating system.

Maybe the best way to answer the questions like "which version is faster and which one shall I use?" is to look to the source code:

map.forEach() - from Map.java

default void forEach(BiConsumer<? super K, ? super V> action) {
    Objects.requireNonNull(action);
    for (Map.Entry<K, V> entry : entrySet()) {
        K k;
        V v;
        try {
            k = entry.getKey();
            v = entry.getValue();
        } catch(IllegalStateException ise) {
            // this usually means the entry is no longer in the map.
            throw new ConcurrentModificationException(ise);
        }
        action.accept(k, v);
    }
}

javadoc

map.entrySet().forEach() - from Iterable.java

default void forEach(Consumer<? super T> action) {
    Objects.requireNonNull(action);
    for (T t : this) {
        action.accept(t);
    }
}

javadoc

This immediately reveals that map.forEach() is also using Map.Entry internally. So I would not expect any performance benefit in using map.forEach() over the map.entrySet().forEach(). So in your case the answer really depends on your personal taste :)

For the complete list of differences please refer to the provided javadoc links. Happy coding!

These are Win32 and Win64 examples using Windows API calls. They are for MASM rather than NASM, but have a look at them. You can find more details in this article.

This uses MessageBox instead of printing to stdout.

Win32 MASM

;---ASM Hello World Win32 MessageBox

.386
.model flat, stdcall
include kernel32.inc
includelib kernel32.lib
include user32.inc
includelib user32.lib

.data
title db 'Win32', 0
msg db 'Hello World', 0

.code

Main:
push 0            ; uType = MB_OK
push offset title ; LPCSTR lpCaption
push offset msg   ; LPCSTR lpText
push 0            ; hWnd = HWND_DESKTOP
call MessageBoxA
push eax          ; uExitCode = MessageBox(...)
call ExitProcess

End Main

Win64 MASM

;---ASM Hello World Win64 MessageBox

extrn MessageBoxA: PROC
extrn ExitProcess: PROC

.data
title db 'Win64', 0
msg db 'Hello World!', 0

.code
main proc
  sub rsp, 28h  
  mov rcx, 0       ; hWnd = HWND_DESKTOP
  lea rdx, msg     ; LPCSTR lpText
  lea r8,  title   ; LPCSTR lpCaption
  mov r9d, 0       ; uType = MB_OK
  call MessageBoxA
  add rsp, 28h  
  mov ecx, eax     ; uExitCode = MessageBox(...)
  call ExitProcess
main endp

End

To assemble and link these using MASM, use this for 32-bit executable:

ml.exe [filename] /link /subsystem:windows 
/defaultlib:kernel32.lib /defaultlib:user32.lib /entry:Main

or this for 64-bit executable:

ml64.exe [filename] /link /subsystem:windows 
/defaultlib:kernel32.lib /defaultlib:user32.lib /entry:main

Why does x64 Windows need to reserve 28h bytes of stack space before a call? That's 32 bytes (0x20) of shadow space aka home space, as required by the calling convention. And another 8 bytes to re-align the stack by 16, because the calling convention requires RSP be 16-byte aligned before a call. (Our main's caller (in the CRT startup code) did that. The 8-byte return address means that RSP is 8 bytes away from a 16-byte boundary on entry to a function.)

Shadow space can be used by a function to dump its register args next to where any stack args (if any) would be. A system call requires 30h (48 bytes) to also reserve space for r10 and r11 in addition to the previously mentioned 4 registers. But DLL calls are just function calls, even if they're wrappers around syscall instructions.

Fun fact: non-Windows, i.e. the x86-64 System V calling convention (e.g. on Linux) doesn't use shadow space at all, and uses up to 6 integer/pointer register args, and up to 8 FP args in XMM registers.

Using MASM's invoke directive (which knows the calling convention), you can use one ifdef to make a version of this which can be built as 32-bit or 64-bit.

ifdef rax
    extrn MessageBoxA: PROC
    extrn ExitProcess: PROC
else
    .386
    .model flat, stdcall
    include kernel32.inc
    includelib kernel32.lib
    include user32.inc
    includelib user32.lib
endif
.data
caption db 'WinAPI', 0
text    db 'Hello World', 0
.code
main proc
    invoke MessageBoxA, 0, offset text, offset caption, 0
    invoke ExitProcess, eax
main endp
end

The macro variant is the same for both, but you won't learn assembly this way. You'll learn C-style asm instead. invoke is for stdcall or fastcall while cinvoke is for cdecl or variable argument fastcall. The assembler knows which to use.

You can disassemble the output to see how invoke expanded.

A Microsoft article explains how to debug a Windows service here and what part anyone can miss if they debug it by attaching to a process.

Below is my working code. I have followed the approach suggested by Microsoft.

Add this code to program.cs:

static void Main(string[] args)
{
    // 'If' block will execute when launched through Visual Studio
    if (Environment.UserInteractive)
    {
        ServiceMonitor serviceRequest = new ServiceMonitor();
        serviceRequest.TestOnStartAndOnStop(args);
    }
    else // This block will execute when code is compiled as a Windows application
    {
        ServiceBase[] ServicesToRun;
        ServicesToRun = new ServiceBase[]
        {
            new ServiceMonitor()
        };
        ServiceBase.Run(ServicesToRun);
    }
}

Add this code to the ServiceMonitor class.

internal void TestOnStartAndOnStop(string[] args)
{
    this.OnStart(args);
    Console.ReadLine();
    this.OnStop();
}

Now go to Project Properties, select tab "Application" and select Output Type as "Console Application" when debugging, or "Windows Application" when done with debugging, recompile and install your service.

If you don't know, which collection holds your object

In my case it was really hard to apply TomAnderson's solution, since I didn't know what is the collection, which holds a link to an object, so here's the way to know, which objects holds the link to the deleted one: in the debugger you should enter the lowest execution stack level before the exception is thrown, there should be a variable called entityEntry, so you get a PersistenceContext object from this variable: entityEntry.persistenceContext.

For me persistenceContext was an instance of StatefulPersistenceContext and this implementation has private field parentsByChild, from which you can retrieve information about the collection, which contains the element.

I was using Eclipse debugger, so it was kinda hard to retrieve this private field in a straight way, so I used Detail Formatter (How can I watch private fields of other objects directly in the IDE when debugging?)

After getting this information, TomAnderson's solution can be applied.

Just as addition to the other answers: If you don't even want to write the commit message with the issue number and happen to use Eclipse for development, then you can install the eGit and Mylyn plugins as well as the GitHub connector for Mylyn. Eclipse can then automatically track which issue you are working on and automatically fill the commit message, including the issue number as shown in all the other answers.

For more details about that setup see http://wiki.eclipse.org/EGit/GitHub/UserGuide

As others have pointed out, the cd command needs to start with a percentage sign:

%cd SwitchFrequencyAnalysis

Difference between % and !

Google Colab seems to inherit these syntaxes from Jupyter (which inherits them from IPython). Jake VanderPlas explains this IPython behaviour here. You can see the excerpt below.

If you play with IPython's shell commands for a while, you might notice that you cannot use !cd to navigate the filesystem:

In [11]: !pwd 
/home/jake/projects/myproject

In [12]: !cd ..

In [13]: !pwd 
/home/jake/projects/myproject 

The reason is that shell commands in the notebook are executed in a temporary subshell. If you'd like to change the working directory in a more enduring way, you can use the %cd magic command:

In [14]: %cd ..
/home/jake/projects

Another way to look at this: you need % because changing directory is relevant to the environment of the current notebook but not to the entire server runtime.

In general, use ! if the command is one that's okay to run in a separate shell. Use % if the command needs to be run on the specific notebook.

Use the substring method of the String class :

String removeCurrency=amount.getText().toString().substring(3);

This code worked for me. I am using multiple file uploads so I needed to check whether there has been any upload.

HTML part:

<input name="files[]" type="file" multiple="multiple" />

PHP part:

if(isset($_FILES['files']) ){  


foreach($_FILES['files']['tmp_name'] as $key => $tmp_name ){

      if(!empty($_FILES['files']['tmp_name'][$key])){

    //  things you want to do
    }
}

This way Convert all Data From Filelds(Columns) In Table To Record (Row).

Declare @TableName  [nvarchar](128)
Declare @ExecStr    nvarchar(max)
Declare @Where      nvarchar(max)
Set @TableName = 'myTableName'
--Enter Filtering If Exists
Set @Where = ''

--Set @ExecStr = N'Select * From '+quotename(@TableName)+@Where
--Exec(@ExecStr)

Drop Table If Exists #tmp_Col2Row

Create Table #tmp_Col2Row
(Field_Name nvarchar(128) Not Null
,Field_Value nvarchar(max) Null
)

Set @ExecStr = N' Insert Into #tmp_Col2Row (Field_Name , Field_Value) '
Select @ExecStr += (Select N'Select '''+C.name+''' ,Convert(nvarchar(max),'+quotename(C.name) + ') From ' + quotename(@TableName)+@Where+Char(10)+' Union All '
         from sys.columns as C
         where (C.object_id = object_id(@TableName)) 
         for xml path(''))
Select @ExecStr = Left(@ExecStr,Len(@ExecStr)-Len(' Union All '))
--Print @ExecStr
Exec (@ExecStr)

Select * From #tmp_Col2Row
Go

With xampp I think you need to use the full path at the command line, something like this, perhaps:

C:\xampp\mysql\bin\mysql -u {username} -p {databasename} < file_name.sql

Your local branch likely has modifications to it you want to discard. To do this, you'll need to use git reset to reset the branch head to the last spot that you diverged from the upstream repo's branch. Use git branch -v to find the sha1 id of the upstream branch, and reset your branch it it using git reset SHA1ID. Then you should be able to do a git checkout to discard the changes it left in your directory.

Note: always do this on a backed-up repo. That way you can assure you're self it worked right. Or if it didn't, you have a backup to revert to.

I think the best option for you is to enclose both divs by another div. Then you can make it by CSS in the following way:

<html>
<head>
<style>
  div.both:hover .image { border: 1px solid blue }
  div.both:hover .layer { border: 1px solid blue }
</style>
</head>

<body>
<div class="section">

<div class="both">
  <div class="image"><img src="myImage.jpg" /></div>
  <div class="layer">Lorem Ipsum</div>
</div>

</div>
</body>
</html>

One issue might be Service class is not enabled in AndroidManifest file. Please check it as well.

<service
        android:name=".AudioRecorderService"
        android:enabled="true"
        android:exported="false"
        android:foregroundServiceType="microphone" />

1. Arange your word list with delimiter which never occures in the words, f.e. |
2. swap arguments in find call - we want search if cell value is matching one of the words in pattern string {=FIND("cell I want to search","list of words I want to search for")}
3. if the patterns are similar, there is a risk of getting more results than wanted, we restrict just correct results via adding &"|" to the cell value tested (works well with array formulas) cell G3 could contain: {=SUM(FIND($A$1:$A$100&"|";A3))} this ensures spreadsheet will compare strings like "cellvlaue|" againts "pattern1|", "pattern2|" etc. which sorts out conflicts like pattern1="newly added", pattern2="added" (sum of all cells matching "added" would be too high, including the target values for cells matching "newly added", which would be a logical error)

To download a file please use the following code ... Store the File name with location in $file variable. It supports all mime type

$file = "location of file to download"
header('Content-Description: File Transfer');
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename='.basename($file));
header('Content-Transfer-Encoding: binary');
header('Expires: 0');
header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
header('Pragma: public');
header('Content-Length: ' . filesize($file));
ob_clean();
flush();
readfile($file);

To know about Mime types please refer to this link: http://php.net/manual/en/function.mime-content-type.php

Generally, you need to get a handle to the control via its clientId. This example uses a JSF2 Facelets view with a request-scope binding to get a handle to the other control:

<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"
      xmlns:h="http://java.sun.com/jsf/html">
  <h:head><title>Show/Hide</title></h:head>
  <h:body>
    <h:form>
      <h:button value="toggle"
               onclick="toggle('#{requestScope.foo.clientId}'); return false;" />
      <h:inputText binding="#{requestScope.foo}" id="x" style="display: block" />
    </h:form>
    <script type="text/javascript">
      function toggle(id) {
        var element = document.getElementById(id);
        if(element.style.display == 'block') {
          element.style.display = 'none';
        } else {
          element.style.display = 'block'
        }
      }
    </script>
  </h:body>
</html>

Exactly how you do this will depend on the version of JSF you're working on. See this blog post for older JSF versions: JSF: working with component identifiers.

In generics, an unknown type is represented by the wildcard character "?". Read here for official example.

When I don't have permission to write a file out from Postgres I find that I can run the query from the command line.

psql -U user -d db_name -c "Copy (Select * From foo_table LIMIT 10) To STDOUT With CSV HEADER DELIMITER ',';" > foo_data.csv

My problem was that I had a list of numbers, and I only want to replace a part of that number, soy I do this:

original_list = ['08113', '09106', '19066', '17056', '17063', '17053']

# With this part I achieve my goal
cves_mod = []
for i in range(0,len(res_list)):
    cves_mod.append(res_list[i].replace(res_list[i][2:], '999'))
cves_mod

# Result
cves_mod
['08999', '09999', '19999', '17999', '17999', '17999']

I wrote a little method to test out the basic color modes, based on answers by Erik Skoglund and others.

#outputs color table to console, regular and bold modes
def colortable
  names = %w(black red green yellow blue pink cyan white default)
  fgcodes = (30..39).to_a - [38]

  s = ''
  reg  = "\e[%d;%dm%s\e[0m"
  bold = "\e[1;%d;%dm%s\e[0m"
  puts '                       color table with these background codes:'
  puts '          40       41       42       43       44       45       46       47       49'
  names.zip(fgcodes).each {|name,fg|
    s = "#{fg}"
    puts "%7s "%name + "#{reg}  #{bold}   "*9 % [fg,40,s,fg,40,s,  fg,41,s,fg,41,s,  fg,42,s,fg,42,s,  fg,43,s,fg,43,s,  
      fg,44,s,fg,44,s,  fg,45,s,fg,45,s,  fg,46,s,fg,46,s,  fg,47,s,fg,47,s,  fg,49,s,fg,49,s ]
  }
end

example output:

you can try this

pd.pandas.set_option('display.max_columns', None)

This is what I do to retain type info:

class Helper {
   public static createRaw<T>(TCreator: { new (): T; }, data: any): T
   {
     return Object.assign(new TCreator(), data);
   }
   public static create<T>(TCreator: { new (): T; }, data: T): T
   {
      return this.createRaw(TCreator, data);
   }
}

...

it('create helper', () => {
    class A {
        public data: string;
    }
    class B {
        public data: string;
        public getData(): string {
            return this.data;
        }
    }
    var str = "foobar";

    var a1 = Helper.create<A>(A, {data: str});
    expect(a1 instanceof A).toBeTruthy();
    expect(a1.data).toBe(str);

    var a2 = Helper.create(A, {data: str});
    expect(a2 instanceof A).toBeTruthy();
    expect(a2.data).toBe(str);

    var b1 = Helper.createRaw(B, {data: str});
    expect(b1 instanceof B).toBeTruthy();
    expect(b1.data).toBe(str);
    expect(b1.getData()).toBe(str);

});

Another way of doing it with AudioInputStream:

import java.io.File;

import javax.sound.sampled.AudioInputStream;
import javax.sound.sampled.AudioSystem;
import javax.sound.sampled.Clip;
import javax.sound.sampled.Line;
import javax.sound.sampled.LineEvent;
import javax.sound.sampled.LineListener;
import javax.swing.JDialog;
import javax.swing.JFileChooser;

public class CoreJavaSound extends Object implements LineListener {
    File soundFile;

    JDialog playingDialog;

    Clip clip;

    public static void main(String[] args) throws Exception {
        CoreJavaSound s = new CoreJavaSound();
    }

    public CoreJavaSound() throws Exception {
        JFileChooser chooser = new JFileChooser();
        chooser.showOpenDialog(null);
        soundFile = chooser.getSelectedFile();

        System.out.println("Playing " + soundFile.getName());

        Line.Info linfo = new Line.Info(Clip.class);
        Line line = AudioSystem.getLine(linfo);
        clip = (Clip) line;
        clip.addLineListener(this);
        AudioInputStream ais = AudioSystem.getAudioInputStream(soundFile);
        clip.open(ais);
        clip.start();
    }

    public void update(LineEvent le) {
        LineEvent.Type type = le.getType();
        if (type == LineEvent.Type.OPEN) {
            System.out.println("OPEN");
        } else if (type == LineEvent.Type.CLOSE) {
            System.out.println("CLOSE");
            System.exit(0);
        } else if (type == LineEvent.Type.START) {
            System.out.println("START");
            playingDialog.setVisible(true);
        } else if (type == LineEvent.Type.STOP) {
            System.out.println("STOP");
            playingDialog.setVisible(false);
            clip.close();
        }
    }
}

You can use:

SELECT SUBDATE(NOW(), 1);

or

SELECT SUBDATE(NOW(), INTERVAL 1 DAY);

or

SELECT NOW() - INTERVAL 1 DAY;

or

SELECT DATE_SUB(NOW(), INTERVAL 1 DAY);

@Hung Tran's answer works perfect. As an improvement, I would suggest not showing values that are 0. Say you have 5 elements and 2 of them are 0 and rest of them have values, the solution above will show 0 and 0%. It is better to filter that out with a not equal to 0 check!

          var val = dataset.data[i];
          var percent = String(Math.round(val/total*100)) + "%";

          if(val != 0) {
            ctx.fillText(dataset.data[i], model.x + x, model.y + y);
            // Display percent in another line, line break doesn't work for fillText
            ctx.fillText(percent, model.x + x, model.y + y + 15);
          }

Updated code below:

var data = {
    datasets: [{
        data: [
            11,
            16,
            7,
            3,
            14
        ],
        backgroundColor: [
            "#FF6384",
            "#4BC0C0",
            "#FFCE56",
            "#E7E9ED",
            "#36A2EB"
        ],
        label: 'My dataset' // for legend
    }],
    labels: [
        "Red",
        "Green",
        "Yellow",
        "Grey",
        "Blue"
    ]
};

var pieOptions = {
  events: false,
  animation: {
    duration: 500,
    easing: "easeOutQuart",
    onComplete: function () {
      var ctx = this.chart.ctx;
      ctx.font = Chart.helpers.fontString(Chart.defaults.global.defaultFontFamily, 'normal', Chart.defaults.global.defaultFontFamily);
      ctx.textAlign = 'center';
      ctx.textBaseline = 'bottom';

      this.data.datasets.forEach(function (dataset) {

        for (var i = 0; i < dataset.data.length; i++) {
          var model = dataset._meta[Object.keys(dataset._meta)[0]].data[i]._model,
              total = dataset._meta[Object.keys(dataset._meta)[0]].total,
              mid_radius = model.innerRadius + (model.outerRadius - model.innerRadius)/2,
              start_angle = model.startAngle,
              end_angle = model.endAngle,
              mid_angle = start_angle + (end_angle - start_angle)/2;

          var x = mid_radius * Math.cos(mid_angle);
          var y = mid_radius * Math.sin(mid_angle);

          ctx.fillStyle = '#fff';
          if (i == 3){ // Darker text color for lighter background
            ctx.fillStyle = '#444';
          }

          var val = dataset.data[i];
          var percent = String(Math.round(val/total*100)) + "%";

          if(val != 0) {
            ctx.fillText(dataset.data[i], model.x + x, model.y + y);
            // Display percent in another line, line break doesn't work for fillText
            ctx.fillText(percent, model.x + x, model.y + y + 15);
          }
        }
      });               
    }
  }
};

var pieChartCanvas = $("#pieChart");
var pieChart = new Chart(pieChartCanvas, {
  type: 'pie', // or doughnut
  data: data,
  options: pieOptions
});

If you have a SSHClient, you can also use open_sftp():

import paramiko


# lets say you have SSH client...
client = paramiko.SSHClient()

sftp = client.open_sftp()

# then you can use upload & download as shown above
...

In Eclipse: Right click the project->Maven->Update Project->Check checkbox "Force Update of Snapshots/Releases". Click OK.

Leaving this here for future reference, but its an answer too.

new Thread(() -> whatever()).start();

Try using How to recover a dropped stash in Git? to find the stash you popped. I think there are always two commits for a stash, since it preserves the index and the working copy (so often the index commit will be empty). Then git show them to see the diff and use patch -R to unapply them.

<input type='text' 
       name='t1'
       id='t1'
       maxlength=10
       placeholder='typing some text' >
<p></p>

This is the text box, it has a fixed length of 10 characters, and if you can try but this text box does not contain maximum length 10 character

Add { } while importing and exporting: export { ... }; | import { ... } from './Template';

export → import { ... } from './Template'

export default → import ... from './Template'

Here is a working example:

// ExportExample.js
import React from "react";

function DefaultExport() {
  return "This is the default export";
}

function Export1() {
  return "Export without default 1";
}

function Export2() {
  return "Export without default 2";
}

export default DefaultExport;
export { Export1, Export2 };

// App.js
import React from "react";
import DefaultExport, { Export1, Export2 } from "./ExportExample";

export default function App() {
  return (
    <>
      <strong>
        <DefaultExport />
      </strong>
      <br />
      <Export1 />
      <br />
      <Export2 />
    </>
  );
}

??Working sandbox to play around: https://codesandbox.io/s/export-import-example-react-jl839?fontsize=14&hidenavigation=1&theme=dark

Use numpy.delete() - returns a new array with sub-arrays along an axis deleted

numpy.delete(a, index)

For your specific question:

import numpy as np

a = np.array([1, 2, 3, 4, 5, 6, 7, 8, 9])
index = [2, 3, 6]

new_a = np.delete(a, index)

print(new_a) #Prints `[1, 2, 5, 6, 8, 9]`

Note that numpy.delete() returns a new array since array scalars are immutable, similar to strings in Python, so each time a change is made to it, a new object is created. I.e., to quote the delete() docs:

"A copy of arr with the elements specified by obj removed. Note that delete does not occur in-place..."

If the code I post has output, it is the result of running the code.

Try Adding this

$('input[name="daterangepicker"]').daterangepicker({

   "locale": {
    "firstDay" :1 // 0 Tuesday - 6 - Monday between
         }});

It must be completed within the locale object of the defined daterangepicker. detailed information can be found here.

Node.js is based on the event loop programming model. The event loop runs in single thread and repeatedly waits for events and then runs any event handlers subscribed to those events. Events can be for example

• timer wait is complete
• next chunk of data is ready to be written to this file
• theres a fresh new HTTP request coming our way

All of this runs in single thread and no JavaScript code is ever executed in parallel. As long as these event handlers are small and wait for yet more events themselves everything works out nicely. This allows multiple request to be handled concurrently by a single Node.js process.

(There's a little bit magic under the hood as where the events originate. Some of it involve low level worker threads running in parallel.)

In this SQL case, there's a lot of things (events) happening between making the database query and getting its results in the callback. During that time the event loop keeps pumping life into the application and advancing other requests one tiny event at a time. Therefore multiple requests are being served concurrently.

According to: "Event loop from 10,000ft - core concept behind Node.js".

This can be done by using unlist before as.vector. The result is the same as using the parameter use.names=FALSE.

as.vector(unlist(myList))

All the consumers per topic

(Replace --zookeeper with --bootstrap-server to get groups stored by newer Kafka clients)

Get all consumers-per-topic as a table of topictabconsumer:

for t in `kafka-consumer-groups.sh --zookeeper <HOST>:2181 --list 2>/dev/null`; do
    echo $t | xargs -I {} sh -c "kafka-consumer-groups.sh --zookeeper <HOST>:2181 --describe --group {} 2>/dev/null | grep ^{} | awk '{print \$2\"\t\"\$1}' "
done > topic-consumer.txt

Make this pairs unique:

cat topic-consumer.txt | sort -u > topic-consumer-u.txt

Get the desired one:

less topic-consumer-u.txt | grep -i <TOPIC>

controlName.CssClass="CSS Class Name";

working example follows below

txtBank.CssClass = "csError";

With the commit introduced today (Nov 25), you can now specify a port number right after the run or start sbt commands.

For instance

play run 8080 or play start 8080

Play defaults to port 9000

Is Java smart enough to skip checking bool2 and bool2 if bool1 was evaluated to false?

Its not a matter of being smart, its a requirement specified in the language. Otherwise you couldn't write expressions like.

if(s != null && s.length() > 0)

or

if(s == null || s.length() == 0)

BTW if you use & and | it will always evaluate both sides of the expression.

There is one way to make an immutable array in Java:

final String[] IMMUTABLE = new String[0];

Arrays with 0 elements (obviously) cannot be mutated.

This can actually come in handy if you are using the List.toArray method to convert a List to an array. Since even an empty array takes up some memory, you can save that memory allocation by creating a constant empty array, and always passing it to the toArray method. That method will allocate a new array if the array you pass doesn't have enough space, but if it does (the list is empty), it will return the array you passed, allowing you to reuse that array any time you call toArray on an empty List.

final static String[] EMPTY_STRING_ARRAY = new String[0];

List<String> emptyList = new ArrayList<String>();
return emptyList.toArray(EMPTY_STRING_ARRAY); // returns EMPTY_STRING_ARRAY

alert("${variable}");

or

alert("<%=var%>");

or full example

<html> 
<head>
<script language="javascript"> 

function access(){ 
  <% String str="Hello World"; %>
   var s="<%=str%>"; 
   alert(s); 
} 

</script> 
</head> 

<body onload="access()"> 
</body> 

</html>

Note: sanitize the input before rendering it, it may open whole lot of XSS possibilities

The copyIntoClipboard() function works for Flash 9, but it appears to be broken by the release of Flash player 10. Here's a solution that does work with the new flash player:

http://bowser.macminicolo.net/~jhuckaby/zeroclipboard/

It's a complex solution, but it does work.

Another option is:

when:

def response = mockMvc.perform(
            get('/path/to/api')
            .header("Content-Type", "application/json"))

then:

response.andExpect(status().isOk())
response.andReturn().getResponse().getContentAsString() == "what you expect"

Here is a way to call controller's function from outside of it:

angular.element(document.getElementById('yourControllerElementID')).scope().get();

where get() is a function from your controller.

You can switch

document.getElementById('yourControllerElementID')` 

to

$('#yourControllerElementID')

If you are using jQuery.

Also, if your function means changing anything on your View, you should call

angular.element(document.getElementById('yourControllerElementID')).scope().$apply();

to apply the changes.

One more thing, you should note is that scopes are initialized after the page is loaded, so calling methods from outside of scope should always be done after the page is loaded. Else you will not get to the scope at all.

UPDATE:

With the latest versions of angular, you should use

angular.element(document.getElementById('yourControllerElementID')).injector().??get('$rootScope')

And yes, this is, in fact, a bad practice, but sometimes you just need things done quick and dirty.

If your local directory has git initialized and you have not committed the changes that include the delete, you can use git checkout -f to throw away local changes.

Here you can find the direct download link for Curl.exe

I was looking for the download process of Curl and every where they said copy curl.exe file in System32 but they haven't provided the direct link but after digging little more I Got it. so here it is enjoy, find curl.exe easily in bin folder just

unzip it and then go to bin folder there you get exe file

link to download curl generic

CSS support has binding to javascript, as a side note.

if (CSS.supports("( -moz-user-select:unset )")) {_x000D_
    console.log("FIREFOX!!!")_x000D_
}

https://developer.mozilla.org/en-US/docs/Web/CSS/Mozilla_Extensions

MacOS Catalina

Step 1: Changing Android Studio Preference

1. Open-up your Android Studio
2. Press Command+, or go to top-left AppBar Android Studio > Preferences.
3. From Left Pane, select Appearance > System Settings > Android SDK
4. Select SDK Tools next to SDK Platforms and under Android SDK Location
5. Check mark Android SDK Command-line Tools (latest) and Press OK button.
6. Wait for installation to be finished

Step 2 (For Flutter Users):

1. Go to Terminal and run the following command

flutter doctor --android-licenses

Step 2 (For Android Users):

1. Go to the Terminal and run the following command

export JAVA_HOME=/Applications/Android\ Studio.app/Contents/jre/jdk/Contents/Home

yes | ~/Library/Android/sdk/tools/bin/sdkmanager --licenses

Use the pointtype and pointsize options, e.g.

plot "./points.dat" using 1:2 pt 7 ps 10  

where pt 7 gives you a filled circle and ps 10 is the size.

See: Plotting data.

I have tried everything including generating new key, adding to the GitHub account, editing .ssh/config and .git/config. But still it was giving me the same error. Then I tried following command and it does work successfully.

ssh-agent bash -c 'ssh-add ~/.ssh/id_rsa; git clone [email protected]:username/repo.git'

CASE WHEN ', ' + dbo.Table.Column +',' LIKE '%, lactulose,%' 
  THEN 'BP Medication' ELSE '' END AS [BP Medication]

The leading ', ' and trailing ',' are added so that you can handle the match regardless of where it is in the string (first entry, last entry, or anywhere in between).

That said, why are you storing data you want to search on as a comma-separated string? This violates all kinds of forms and best practices. You should consider normalizing your schema.

In addition: don't use 'single quotes' as identifier delimiters; this syntax is deprecated. Use [square brackets] (preferred) or "double quotes" if you must. See "string literals as column aliases" here: http://msdn.microsoft.com/en-us/library/bb510662%28SQL.100%29.aspx

EDIT If you have multiple values, you can do this (you can't short-hand this with the other CASE syntax variant or by using something like IN()):

CASE 
  WHEN ', ' + dbo.Table.Column +',' LIKE '%, lactulose,%' 
  WHEN ', ' + dbo.Table.Column +',' LIKE '%, amlodipine,%' 
  THEN 'BP Medication' ELSE '' END AS [BP Medication]

If you have more values, it might be worthwhile to use a split function, e.g.

USE tempdb;
GO

CREATE FUNCTION dbo.SplitStrings(@List NVARCHAR(MAX))
RETURNS TABLE
AS
   RETURN ( SELECT DISTINCT Item FROM
       ( SELECT Item = x.i.value('(./text())[1]', 'nvarchar(max)')
         FROM ( SELECT [XML] = CONVERT(XML, '<i>'
         + REPLACE(@List,',', '</i><i>') + '</i>').query('.')
           ) AS a CROSS APPLY [XML].nodes('i') AS x(i) ) AS y
       WHERE Item IS NOT NULL
   );
GO

CREATE TABLE dbo.[Table](ID INT, [Column] VARCHAR(255));
GO

INSERT dbo.[Table] VALUES
(1,'lactulose, Lasix (furosemide), oxazepam, propranolol, rabeprazole, sertraline,'),
(2,'lactulite, Lasix (furosemide), lactulose, propranolol, rabeprazole, sertraline,'),
(3,'lactulite, Lasix (furosemide), oxazepam, propranolol, rabeprazole, sertraline,'),
(4,'lactulite, Lasix (furosemide), lactulose, amlodipine, rabeprazole, sertraline,');

SELECT t.ID
  FROM dbo.[Table] AS t
  INNER JOIN dbo.SplitStrings('lactulose,amlodipine') AS s
  ON ', ' + t.[Column] + ',' LIKE '%, ' + s.Item + ',%'
  GROUP BY t.ID;
GO

Results:

ID
----
1
2
4

Install HookyQR.beautify extension. It will beautify your javascript, JSON, CSS, Sass, and HTML in Visual Studio Code. It is the most use extensions for this purpose

if (!*ptr) { /* empty string  */}

similarly

if (*ptr)  { /* not empty */ }

Conventional Definition - An interface is a contract that specifies the methods which needs to be implemented by the class implementing it.

The Definition of Interface has changed over time. Do you think Interface just have method declarations only ? What about static final variables and what about default definitions after Java 5.

Interfaces were introduced to Java because of the Diamond problem with multiple Inheritance and that's what they actually intend to do.

Interfaces are the constructs that were created to get away with the multiple inheritance problem and can have abstract methods , default definitions and static final variables.

http://www.quora.com/Why-does-Java-allow-static-final-variables-in-interfaces-when-they-are-only-intended-to-be-contracts

This is worked for me successfully.

"C:\Program Files\Java\jdk1.6.0_26\bin\keytool.exe" -exportcert -alias sociallisting -keystore "D:\keystore\SocialListing" | "C:\cygwin\bin\openssl.exe" sha1 -binary | "C:\cygwin\bin\openssl.exe" base64

Be careful with below path :

• "C:\Program Files\Java\jdk1.6.0_26\bin\keytool.exe"
• "D:\keystore\SocialListing" or it can be like this "C:\Users\Shaon.android\debug.keystore"
• "C:\cygwin\bin\openssl.exe" or can be like this C:\Users\openssl\bin\openssl.exe

If command successfully work then you will see this command :

Enter keystore password : typeyourpassword

Encryptedhashkey**

Better:

Integer.valueOf(i).toString()

None of the 30 answers here worked for me. I needed to:

1. delete node_modules and package-lock.json
2. npm cache clean --force
3. npm install -g @angular/cli
4. npm i --package-lock-only
5. npm ci

Phew!

x = getattr(self, source) will work just perfectly if source names ANY attribute of self, including the other_data in your example.

When you want to access an element, you have to first dereference your pointer, and then index the element you want (which is also dereferncing). i.e. you need to do:

printf("\nvalue:%c", (*ptr)[0]); , which is the same as *((*ptr)+0)

Note that working with pointer to arrays are not very common in C. instead, one just use a pointer to the first element in an array, and either deal with the length as a separate element, or place a senitel value at the end of the array, so one can learn when the array ends, e.g.

char arr[5] = {'a','b','c','d','e',0}; 
char *ptr = arr; //same as char *ptr = &arr[0]

printf("\nvalue:%c", ptr[0]);

datetime.time can not do it - But you could use datetime.datetime.now()

start = datetime.datetime.now()
sleep(10)
end = datetime.datetime.now()
duration = end - start

Strings are immutable, meaning you can't change a character. Instead, you create new strings.

What you are asking can be done several ways. The most appropriate solution will vary depending on the nature of the changes you are making to the original string. Are you changing only one character? Do you need to insert/delete/append?

Here are a couple ways to create a new string from an existing string, but having a different first character:

str = 'M' + str.Remove(0, 1);

str = 'M' + str.Substring(1);

Above, the new string is assigned to the original variable, str.

I'd like to add that the answers from others demonstrating StringBuilder are also very appropriate. I wouldn't instantiate a StringBuilder to change one character, but if many changes are needed StringBuilder is a better solution than my examples which create a temporary new string in the process. StringBuilder provides a mutable object that allows many changes and/or append operations. Once you are done making changes, an immutable string is created from the StringBuilder with the .ToString() method. You can continue to make changes on the StringBuilder object and create more new strings, as needed, using .ToString().

I have no idea what linux distribution "ubuntu centOS" is. Ubuntu and CentOS are two different distributions.

To answer the question in the header: To install make in ubuntu you have to install build-essentials

sudo apt-get install build-essential

The Visual Studio Build tools are a different download than the IDE. They appear to be a pretty small subset, and they're called Build Tools for Visual Studio 2019 (download).

You can use the GUI to do the installation, or you can script the installation of msbuild:

vs_buildtools.exe --add Microsoft.VisualStudio.Workload.MSBuildTools --quiet

Microsoft.VisualStudio.Workload.MSBuildTools is a "wrapper" ID for the three subcomponents you need:

• Microsoft.Component.MSBuild
• Microsoft.VisualStudio.Component.CoreBuildTools
• Microsoft.VisualStudio.Component.Roslyn.Compiler

You can find documentation about the other available CLI switches here.

The build tools installation is much quicker than the full IDE. In my test, it took 5-10 seconds. With --quiet there is no progress indicator other than a brief cursor change. If the installation was successful, you should be able to see the build tools in %programfiles(x86)%\Microsoft Visual Studio\2019\BuildTools\MSBuild\Current\Bin.

If you don't see them there, try running without --quiet to see any error messages that may occur during installation.

If you mean milliseconds since epoch you could do

ptime time_t_epoch(date(1970,1,1)); 
ptime now = microsec_clock::local_time();
time_duration diff = now - time_t_epoch;
x = diff.total_milliseconds();

However, it's not particularly clear what you're after.

Have a look at the example in the documentation for DateTime at Boost Date Time

Convert.ToString can be used to convert a number to its equivalent string representation in a specified base.

Example:

string binary = Convert.ToString(5, 2); // convert 5 to its binary representation
Console.WriteLine(binary);              // prints 101

However, as pointed out by the comments, Convert.ToString only supports the following limited - but typically sufficient - set of bases: 2, 8, 10, or 16.

Update (to meet the requirement to convert to any base):

I'm not aware of any method in the BCL which is capable to convert numbers to any base so you would have to write your own small utility function. A simple sample would look like that (note that this surely can be made faster by replacing the string concatenation):

class Program
{
    static void Main(string[] args)
    {
        // convert to binary
        string binary = IntToString(42, new char[] { '0', '1' });

        // convert to hexadecimal
        string hex = IntToString(42, 
            new char[] { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9',
                         'A', 'B', 'C', 'D', 'E', 'F'});

        // convert to hexavigesimal (base 26, A-Z)
        string hexavigesimal = IntToString(42, 
            Enumerable.Range('A', 26).Select(x => (char)x).ToArray());

        // convert to sexagesimal
        string xx = IntToString(42, 
            new char[] { '0','1','2','3','4','5','6','7','8','9',
            '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',
            'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x'});
    }

    public static string IntToString(int value, char[] baseChars)
    {
        string result = string.Empty;
        int targetBase = baseChars.Length;

        do
        {
            result = baseChars[value % targetBase] + result;
            value = value / targetBase;
        } 
        while (value > 0);

        return result;
    }

    /// <summary>
    /// An optimized method using an array as buffer instead of 
    /// string concatenation. This is faster for return values having 
    /// a length > 1.
    /// </summary>
    public static string IntToStringFast(int value, char[] baseChars)
    {
        // 32 is the worst cast buffer size for base 2 and int.MaxValue
        int i = 32;
        char[] buffer = new char[i];
        int targetBase= baseChars.Length;

        do
        {
            buffer[--i] = baseChars[value % targetBase];
            value = value / targetBase;
        }
        while (value > 0);

        char[] result = new char[32 - i];
        Array.Copy(buffer, i, result, 0, 32 - i);

        return new string(result);
    }
}

Update 2 (Performance Improvement)

Using an array buffer instead of string concatenation to build the result string gives a performance improvement especially on large number (see method IntToStringFast). In the best case (i.e. the longest possible input) this method is roughly three times faster. However, for 1-digit numbers (i.e. 1-digit in the target base), IntToString will be faster.

Have you tried the __name__ attribute of the class? ie type(x).__name__ will give you the name of the class, which I think is what you want.

>>> import itertools
>>> x = itertools.count(0)
>>> type(x).__name__
'count'

If you're still using Python 2, note that the above method works with new-style classes only (in Python 3+ all classes are "new-style" classes). Your code might use some old-style classes. The following works for both:

x.__class__.__name__

If you'd like to use dynamic mapping, and don't want to clutter up your model with attributes, this approach worked for me

Usage:

var settings = new JsonSerializerSettings();
settings.DateFormatString = "YYYY-MM-DD";
settings.ContractResolver = new CustomContractResolver();
this.DataContext = JsonConvert.DeserializeObject<CountResponse>(jsonString, settings);

Logic:

public class CustomContractResolver : DefaultContractResolver
{
    private Dictionary<string, string> PropertyMappings { get; set; }

    public CustomContractResolver()
    {
        this.PropertyMappings = new Dictionary<string, string> 
        {
            {"Meta", "meta"},
            {"LastUpdated", "last_updated"},
            {"Disclaimer", "disclaimer"},
            {"License", "license"},
            {"CountResults", "results"},
            {"Term", "term"},
            {"Count", "count"},
        };
    }

    protected override string ResolvePropertyName(string propertyName)
    {
        string resolvedName = null;
        var resolved = this.PropertyMappings.TryGetValue(propertyName, out resolvedName);
        return (resolved) ? resolvedName : base.ResolvePropertyName(propertyName);
    }
}

Keeping in mind the points made in @John Woo's comment/link above, this is how I typically would handle it:

SELECT t1.ID, t1.Name 
FROM   Table1 t1
WHERE  NOT EXISTS (
    SELECT TOP 1 NULL
    FROM Table2 t2
    WHERE t1.ID = t2.ID
)

Specifying a non-static position, e.g., position: absolute/relative on a node means that it will be used as the reference for absolutely positioned elements within it http://jsfiddle.net/E5eEk/1/

See https://developer.mozilla.org/en-US/docs/Learn/CSS/CSS_layout/Positioning#Positioning_contexts

We can change the positioning context — which element the absolutely positioned element is positioned relative to. This is done by setting positioning on one of the element's ancestors.

#outer {_x000D_
  min-width: 2000px; _x000D_
  min-height: 1000px; _x000D_
  background: #3e3e3e; _x000D_
  position:relative_x000D_
}_x000D_
_x000D_
#inner {_x000D_
  left: 1%; _x000D_
  top: 45px; _x000D_
  width: 50%; _x000D_
  height: auto; _x000D_
  position: absolute; _x000D_
  z-index: 1;_x000D_
}_x000D_
_x000D_
#inner-inner {_x000D_
  background: #efffef;_x000D_
  position: absolute; _x000D_
  height: 400px; _x000D_
  right: 0px; _x000D_
  left: 0px;_x000D_
}

<div id="outer">_x000D_
  <div id="inner">_x000D_
    <div id="inner-inner"></div>_x000D_
  </div>_x000D_
</div>

In Swift 4.2 and Xcode 10.1

You can change your navigation bar colour from your AppDelegate directly to your entire project.

In didFinishLaunchingWithOptions launchOptions: write below to lines of code

UINavigationBar.appearance().tintColor = UIColor.white
UINavigationBar.appearance().barTintColor = UIColor(red: 2/255, green: 96/255, blue: 130/255, alpha: 1.0)

Here

tintColor is for to set background images like back button & menu lines images etc. (See below left and right menu image)

barTintColor is for navigation bar background colour

If you want to set specific view controller navigation bar colour, write below code in viewDidLoad()

//Add navigation bar colour
navigationController?.navigationBar.barTintColor = UIColor(red: 2/255, green: 96/255, blue: 130/255, alpha: 1.0)
navigationController?.navigationBar.tintColor = UIColor.white

ZIP FILE via Cross-platform Java without manifest and META-INF folder:

jar -cMf {yourfile.zip} {yourfolder}

You can also use regular expression in addition to this:

    $directoryPath = $this->container->getParameter('kernel.root_dir') . '/../web/bundles/yourbundle/';
    $directoryPath = preg_replace("/app..../i", "", $directoryPath);
    echo $directoryPath;

You could use array_map(), set the first parameter to 'strtolower' (including the quotes) and the second parameter to $lower_case_array.

char name[10][10]
int i,j,n;//here "n" is number of enteries
printf("\nEnter size of array = ");
scanf("%d",&n);
for(i=0;i<n;i++)
{
    for(j=0;j<1;j++)
    {
        printf("\nEnter name = ");
        scanf("%s",&name[i]);
    }
}
//printing the data
for(i=0;i<n;i++)
{
    for(j=0;j<1;j++)
    {
        printf("%d\t|\t%s\t|\t%s",rollno[i][j],name[i],sex[i]);
    }
    printf("\n");
}

Here try this!!!

I know it has been long since the original question was posted, but for future reference: check this project, https://github.com/gkorland/Eclipse-Fonts I have used it, and it's very simple and efficient.

You should be able to simply let PIL get the filetype from extension, i.e. use:

j.save("C:/Users/User/Desktop/mesh_trans.bmp")

The initialization method easiest to remember is

vec = vector(,10); #the same as "vec = vector(length = 10);"

The values of vec are: "[1] FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE FALSE" (logical mode) by default.

But after setting a character value, like

vec[2] = 'abc'

vec becomes: "FALSE" "abc" "FALSE" "FALSE" "FALSE" "FALSE" "FALSE" "FALSE" "FALSE" "FALSE"", which is of the character mode.

I do this to post a delayed runnable:

myHandler.postDelayed(myRunnable, SPLASH_DISPLAY_LENGTH); 

And this to remove it: myHandler.removeCallbacks(myRunnable);

You might want to push the object into the array

enter code here

var AssocArray = new Array();

AssocArray.push( "The letter A");

console.log("a = " + AssocArray[0]);

// result: "a = The letter A"

console.log( AssocArray[0]);

JSON.stringify(AssocArray);

If you want to make a copy of:

int[] a = {1,2,3,4,5};

This is the way to go:

int[] b = Arrays.copyOf(a, a.length);

Arrays.copyOf may be faster than a.clone() on small arrays. Both copy elements equally fast but clone() returns Object so the compiler has to insert an implicit cast to int[]. You can see it in the bytecode, something like this:

ALOAD 1
INVOKEVIRTUAL [I.clone ()Ljava/lang/Object;
CHECKCAST [I
ASTORE 2

Assuming you already have a application created under google developer console, Follow the below steps

1. Go to the following link https://console.cloud.google.com/apis/dashboard? you will be getting the below page
2. Click on ENABLE APIS AND SERVICES you will be directed to following page
3. Select the desired option - in this case "Maps JavaScript API"
4. Click ENABLE button as below,

Note: Please use a server to load the html file

For those who are newbie like me, Open IIS, expand your server name, choose sites, click on your website. On new install, it is Default web site. Click it. On the right side you have Default document option. Double click it. You will see default.htm, default.asp, index.htm etc.. to the extreme right click add. Enter the full name of your file(including extension) that you want to set it as default. click ok. Open cmd prompt as admin and reset iis. Remove all files from c:\inetpub\wwwroot folder like iisstart.html, index.html etc.

Note: This will automatically create web.config file in your c:\inetpub\wwwroot folder. I didnt have any web.config files in my inetpub or wwwroot folders. This automatically created one for me.

Next time when you enter http(s)://servername, it opens the default page you set.

This site has a working workaround, same effect, uses some javascript to set the first child div to total height of viewport. http://webapp-net.com/Demo/Index.html

When you export you use the compatibility system set to MYSQL40. Worked for me.

In my case, I have applied display:block in outer class.

Need to experiment, where it fits.

Inside inline svg adding class and style does not even remove the above white-space.

See: where the display:block gets applied.

<div class="col-3 col-sm-3 col-md-2  front-tpcard"><a class="noDecoration" href="#">
<img class="img-thumbnail img-fluid"><svg id="Layer_1"></svg>
<p class="cardtxt">Text</p>
</a>
</div>

The class applied

   .front-tpcard .img-thumbnail{
        display: block; /*To hide the blank whitespace in svg*/
    }

This worked for me. Inner svg class did not worked

My problem was that Notepad++ was crashing on a file I had previously opened; I was unable to open the application at all. This blog post discusses how to delete the data from the "Sessions" file so that Notepad++ will open without having any prior files open:

From the blog post:

Method 1 - edit session.xml

1. Open file session.xml in C:\Users\Username\AppData\Roaming\Notepad++ or %APPDATA%\Notepad++
2. Delete its contents and save it
3. Run Notepad++ , session.xml will get new content automatically

Method 2 - add the -nosession parameter to Notepad++ shortcut

1. Create a desktop shortcut referring to your Notepad++ program, e.g. C:\Program Files\Notepad++\notepad++.exe
2. Right click on this shortcut
3. In the "Target" field add the -nosession parameter so the target field looks exaxtly like (apostrophes included too): "C:\Program Files\Notepad++\notepad++.exe" -nosession
4. Save and run Notepad++ from this shortcut icon with no recent files

Note: This is not a permanent setting, this simply deletes the prior session's information / opened files and starts over.

Alternatively, if you know the file which is causing notepad++ to hang, you can simply rename the file and open notepad++. This will solve the problem.

I hadn't seen this solution listed when I was googling my problem so I wanted to add it here!

I'm using IronPython here (same as .NET API) and reading the file as UTF-8 in order to properly handle the BOM fixed the problem for me:

xmlFile = Path.Combine(directory_str, 'file.xml')
doc = XPathDocument(XmlTextReader(StreamReader(xmlFile.ToString(), Encoding.UTF8)))

It would work as well with the XmlDocument:

doc = XmlDocument()
doc.Load(XmlTextReader(StreamReader(xmlFile.ToString(), Encoding.UTF8)))

If you're using Laravel 5, the command would be;

php artisan make:migration add_paid_to_users

All of the commands for making things (controllers, models, migrations etc) have been moved under the make: command.

php artisan migrate is still the same though.

Here's another option:

s = 'some string'

numbers = sum(c.isdigit() for c in s)
letters = sum(c.isalpha() for c in s)
spaces  = sum(c.isspace() for c in s)
others  = len(s) - numbers - letters - spaces

I usually use git add --all to remove files / folders from remote repositories

rm -r folder_name
git add --all
git commit -m "some comment"
git push origin master

master can be replaced by any other branch of the repository.

Under NT-style cmd.exe, you can loop through the lines of a text file with

FOR /F %i IN (file.txt) DO @echo %i

Type "help for" on the command prompt for more information. (don't know if that works in whatever "DOS" you are using)

Another possibile solution is,maybe your file is ASCII type file,just change the type of your files.

#if DEBUG
    System.Diagnostics.Debugger.Break();
#endif

new SecondForm().setVisible(true);

You can either use setVisible(false) or dispose() method to disappear current form.

It's as simple as this:

String xmlfile = Data_Array["XML_File"];

Note that if the dictionary doesn't have a key that equals "XML_File", that code will throw an exception. If you want to check first, you can use TryGetValue like this:

string xmlfile;
if (!Data_Array.TryGetValue("XML_File", out xmlfile)) {
   // the key isn't in the dictionary.
   return; // or whatever you want to do
}
// xmlfile is now equal to the value

cvc-elt.1: Cannot find the declaration of element 'Root'. [7]

Your schemaLocation attribute on the root element should be xsi:schemaLocation, and you need to fix it to use the right namespace.

You should probably change the targetNamespace of the schema and the xmlns of the document to http://myNameSpace.com (since namespaces are supposed to be valid URIs, which Test.Namespace isn't, though urn:Test.Namespace would be ok). Once you do that it should find the schema. The point is that all three of the schema's target namespace, the document's namespace, and the namespace for which you're giving the schema location must be the same.

(though it still won't validate as your <element2> contains an <element3> in the document where the schema expects item)

This view is visible.

button.setVisibility(View.VISIBLE);

This view is invisible, and it doesn't take any space for layout purposes.

button.setVisibility(View.GONE); 

But if you just want to make it invisible:

button.setVisibility(View.INVISIBLE);

strtok can be very dangerous. It is not thread safe. Its intended use is to be called over and over in a loop, passing in the output from the previous call. The strtok function has an internal variable that stores the state of the strtok call. This state is not unique to each thread - it is global. If any other code uses strtok in another thread, you get problems. Not the kind of problems you want to track down either!

I'd recommend looking for a regex implementation, or using sscanf to pull apart the string.

Try this:

char strprint[256];
char text[256];
strcpy(text, "My string to test");
while ( sscanf( text, "%s %s", strprint, text) > 0 ) {
   printf("token: %s\n", strprint);
}

Note: The 'text' string is destroyed as it's separated. This may not be the preferred behaviour =)