./ refers to the current working directory, except in the require() function. When using require(), it translates ./ to the directory of the current file called. __dirname is always the directory of the current file.

For example, with the following file structure

/home/user/dir/files/config.json

{
  "hello": "world"
}

/home/user/dir/files/somefile.txt

text file

/home/user/dir/dir.js

var fs = require('fs');

console.log(require('./files/config.json'));
console.log(fs.readFileSync('./files/somefile.txt', 'utf8'));

If I cd into /home/user/dir and run node dir.js I will get

{ hello: 'world' }
text file

But when I run the same script from /home/user/ I get

{ hello: 'world' }

Error: ENOENT, no such file or directory './files/somefile.txt'
    at Object.openSync (fs.js:228:18)
    at Object.readFileSync (fs.js:119:15)
    at Object.<anonymous> (/home/user/dir/dir.js:4:16)
    at Module._compile (module.js:432:26)
    at Object..js (module.js:450:10)
    at Module.load (module.js:351:31)
    at Function._load (module.js:310:12)
    at Array.0 (module.js:470:10)
    at EventEmitter._tickCallback (node.js:192:40)

Using ./ worked with require but not for fs.readFileSync. That's because for fs.readFileSync, ./ translates into the cwd (in this case /home/user/). And /home/user/files/somefile.txt does not exist.

Minimal error reproduction

export const users = require('../data'); // presumes @types/node are installed
const foundUser = users.find(user => user.id === 42); 
// error: Parameter 'user' implicitly has an 'any' type.ts(7006)

Recommended solution: --resolveJsonModule

import users from "./data.json" // `import` instead of `require`
const foundUser = users.find(user => user.id === 42); // user is strongly typed, no `any`!

There are some alternatives for other cases than static JSON import.

Option 1: Explicit user type (simple, no checks)

type User = { id: number; name: string /* and others */ }
const foundUser = users.find((user: User) => user.id === 42)

Option 2: Type guards (middleground)

function isUserArray(maybeUserArr: any): maybeUserArr is Array<User> {
  return Array.isArray(maybeUserArr) && maybeUserArr.every(isUser)
}

function isUser(user: any): user is User {
  return "id" in user && "name" in user
}

if (isUserArray(users)) {
  const foundUser = users.find((user) => user.id === 42)
}

function assertIsUserArray(maybeUserArr: any): asserts maybeUserArr is Array<User> {
  if(!isUserArray(maybeUserArr)) throw Error("wrong json type")
}

assertIsUserArray(users)
const foundUser = users.find((user) => user.id === 42) // works

Option 3: Runtime type system library (sophisticated)

A runtime type check library like io-ts or ts-runtime can be integrated for more complex cases.

Not recommended solutions

function add(s1, s2) { // s1,s2 implicitely get `any` type
  return s1 * s2 // `any` type allows string multiplication and all sorts of types :(
}
add("foo", 42)

Also better provide an explicit User type for user. This will avoid propagating any to inner layer types. Instead typing and validating is kept in the JSON processing code of the outer API layer.

Besides len you can also use operator.length_hint (requires Python 3.4+). For a normal list both are equivalent, but length_hint makes it possible to get the length of a list-iterator, which could be useful in certain circumstances:

>>> from operator import length_hint
>>> l = ["apple", "orange", "banana"]
>>> len(l)
3
>>> length_hint(l)
3

>>> list_iterator = iter(l)
>>> len(list_iterator)
TypeError: object of type 'list_iterator' has no len()
>>> length_hint(list_iterator)
3

But length_hint is by definition only a "hint", so most of the time len is better.

I've seen several answers suggesting accessing __len__. This is all right when dealing with built-in classes like list, but it could lead to problems with custom classes, because len (and length_hint) implement some safety checks. For example, both do not allow negative lengths or lengths that exceed a certain value (the sys.maxsize value). So it's always safer to use the len function instead of the __len__ method!

See my UPDATE at the end, before reading the following answer.

I have windows 8 and another pc with windows 8.1

I had License error saying "Prerelease software. License expired".

The only solution that I found which is inspired by the above solutions (Thanks!) was to run process monitor and see the exact registry keys that are accessed when I start the VS2013 which were:

HKCR\Licenses\E79B3F9C-6543-4897-BBA5-5BFB0A02BB5C

like what are mentioned in the previous posts. However the process monitor said that this registry is access denied.

So I opened regedit and found that registry key and I could not open it. It says I have no permission to see it.

SO I had to change its permission:

1. Right click on the "HKCR\Licenses\E79B3F9C-6543-4897-BBA5-5BFB0A02BB5C" key
2. Permissions
3. Add
4. In "Enter object names to select" I have added my windows user name. Ok.
5. check on Full control
6. Advanced
7. Owner click on "Change"
8. In "Enter object names to select" I have added my windows user name. Ok.
9. Ok. Ok. Ok.

I found that this registry key has several sub keys, however you have to restart regedit to see them.

By seeing which other registry keys are access denied in process monitor , I knew that VS2013 will specifically deal with these subkeys which are ACCESS DENIED also: 06181 0bcad

and these subkeys should be changed their permissions as well like above.

After making these permission changes everything worked well.

The same thing has been done to Microsoft visual studio 2010 because an error in the license as well and the solution worked well.

UPDATE : It turned out that starting visual studio as administrator solved this issue without this registry massage. Seems that this happened to my pc after changing the 'required password to login' removed in the user settings. (I wanted to let the pc start running without any password after restart from a crash or anything else). This made a lot of programs not able to write into some folders like temp folders unless I start the application as admin. Even printing from excel would not work, if excel is not started as admin.

If you need to see the output of an existing program that extensively used printf w/o changing the code (or with minimal changes) you can redefine printf as follows and add it to the common header (stdafx.h).

int print_log(const char* format, ...)
{
    static char s_printf_buf[1024];
    va_list args;
    va_start(args, format);
    _vsnprintf(s_printf_buf, sizeof(s_printf_buf), format, args);
    va_end(args);
    OutputDebugStringA(s_printf_buf);
    return 0;
}

#define printf(format, ...) \
        print_log(format, __VA_ARGS__)

This error usually appears when you're missing a file from the jQuery UI set.

Double-check that you have all the files, the jQuery UI files as well as the CSS and images, and that they're in the correctly linked file/directory location on your server.

Do you want to plot a graph like this one? yes? Then you can have a look at my blog article: http://gnuplot-surprising.blogspot.com/2011/09/statistic-analysis-and-histogram.html

Key lines from the code:

n=100 #number of intervals
max=3. #max value
min=-3. #min value
width=(max-min)/n #interval width
#function used to map a value to the intervals
hist(x,width)=width*floor(x/width)+width/2.0
set boxwidth width*0.9
set style fill solid 0.5 # fill style

#count and plot
plot "data.dat" u (hist($1,width)):(1.0) smooth freq w boxes lc rgb"green" notitle

I know this is possible if the other application can attach itself to a win32 window handle. For example, we have a separate C# application that hosts a DirectX application inside one of its windows. I'm not familiar with the exact details of how this is implemented, but I think just passing the win32 Handle of your panel to the other application is enough for that application to attach its DirectX surface.

I just solved this problem myself, and this question/answer pair was not helpful to me in particular, so I will add what solved it for me in my specific case.

For starters, I have just began to use a repository so I "chmod 777 -R"'ed my entire /opt/lampp directory to make sure that permissions were not an issue for the pushing of the repository. Then I got two errors, but I think I only saw one of them and the next one showed up after fixing the first one it. I suppose one error was upstaging the other.

The first one was ./lampp/etc/my.cnf A chmod 700 on that file fixed it in my case although, 755 seems to be the better choice that I found in my research.

One file down, one more to go. The other file, which is the one causing the specific error message in this question is ./lampp/phpmyadmin/config.inc.php.

Solution: "$ chmod 755 -R /opt/lampp/phpmyadmin"

Your error shows you are not compiling file with the definition of the insert function. Update your command to include the file which contains the definition of that function and it should work.

Regular Expression is the most efficient way to solve this problem. Look at the code below. Along validity, it also checks IP address class in which it belongs and whether it is reserved IP Address or not

Pattern ipPattern;
int[] arr=new int[4];
int i=0;

//Method to check validity
 private String validateIpAddress(String ipAddress) {
      Matcher ipMatcher=ipPattern.matcher(ipAddress);

        //Condition to check input IP format
        if(ipMatcher.matches()) {       

           //Split input IP Address on basis of .
           String[] octate=ipAddress.split("[.]");     
           for(String x:octate) { 

              //Convert String number into integer
              arr[i]=Integer.parseInt(x);             
              i++;
         }

        //Check whether input is Class A IP Address or not
         if(arr[0]<=127) {                          
             if(arr[0]==0||arr[0]==127)
                 return(" is Reserved IP Address of Class A");
             else if(arr[1]==0&&arr[2]==0&&arr[3]==0)
                 return(" is Class A Network address");
             else if(arr[1]==255&&arr[2]==255&&arr[3]==255)
                 return( " is Class A Broadcast address");
             else 
                 return(" is valid IP Address of Class A");
         }

        //Check whether input is Class B IP Address or not
         else if(arr[0]>=128&&arr[0]<=191) {        
             if(arr[2]==0&&arr[3]==0)
                 return(" is Class B Network address");
             else if(arr[2]==255&&arr[3]==255)
                 return(" is Class B Broadcast address");
             else
                 return(" is valid IP Address of Class B");
         }

        //Check whether input is Class C IP Address or not
         else if(arr[0]>=192&&arr[0]<=223) {        
             if(arr[3]==0)
                 return(" is Class C Network address");
             else if(arr[3]==255)
                 return(" is Class C Broadcast address");
             else
                 return( " is valid IP Address of Class C");
        }

        //Check whether input is Class D IP Address or not
        else if(arr[0]>=224&&arr[0]<=239) {          
             return(" is Class D IP Address Reserved for multicasting");
        }

        //Execute if input is Class E IP Address
        else  {                                   
             return(" is Class E IP Address Reserved for Research and Development by DOD");
        }

    }

    //Input not matched with IP Address pattern
    else                                     
        return(" is Invalid IP Address");


}


public static void main(String[] args) {

    Scanner scan= new Scanner(System.in);
    System.out.println("Enter IP Address: ");

    //Input IP Address from user
    String ipAddress=scan.nextLine();  
    scan.close();
    IPAddress obj=new IPAddress();

    //Regex for IP Address
    obj.ipPattern=Pattern.compile("((([0-1]?\\d\\d?|2[0-4]\\d|25[0-5])\\.){3}([0-1]?\\d\\d?|2[0-4]\\d|25[0-5]))");

    //Display output
    System.out.println(ipAddress+ obj.validateIpAddress(ipAddress));

}

For deeper nested pages

If you have a project in a folder for example or nested pages

http://yourdomain.com/your-folder/your-page you can enter this in

http://yourdomain.com/*/*

The important part being /*/*/* depending how far you need to go

It seems that the * will not match / or get into deeper paths..

This will give your full domain access, well unless you have deeper nesting than that..

First of all, read the warning! It says do not run composer as root! Secondly, you're probably using Xammp on your local which has the required php libraries as default.

But in your server you're missing ext-dom. php-xml has all the related packages you need. So, you can simply install it by running:

sudo apt-get update
sudo apt install php-xml

Most likely you are missing mbstring too. If you get the error, install this package as well with:

sudo apt-get install php-mbstring

Then run:

composer update
composer require cviebrock/eloquent-sluggable

SQL injection should not be prevented by trying to validate your input; instead, that input should be properly escaped before being passed to the database.

How to escape input totally depends on what technology you are using to interface with the database. In most cases and unless you are writing bare SQL (which you should avoid as hard as you can) it will be taken care of automatically by the framework so you get bulletproof protection for free.

You should explore this question further after you have decided exactly what your interfacing technology will be.

I never liked the way of asserting exceptions with Junit. If I use the "expected" in the annotation, seems from my point of view we're violating the "given, when, then" pattern because the "then" is placed at the top of the test definition.

Also, if we use "@Rule", we have to deal with so much boilerplate code. So, if you can install new libraries for your tests, I'd suggest to have a look to the AssertJ (that library now comes with SpringBoot)

Then a test which is not violating the "given/when/then" principles, and it is done using AssertJ to verify:

1 - The exception is what we're expecting. 2 - It has also an expected message

Will look like this:

 @Test
void should_throwIllegalUse_when_idNotGiven() {

    //when
    final Throwable raisedException = catchThrowable(() -> getUserDAO.byId(null));

    //then
    assertThat(raisedException).isInstanceOf(IllegalArgumentException.class)
            .hasMessageContaining("Id to fetch is mandatory");
}

For my Win7

Paradox was in being java.exe and javaw.exe in System32 folder. Opening that folder I couldn't see them but using search in Start menu I get links to those files, removed them. Next searsh gave me links to files from JAVA_HOME

magic )

Based on official documentation https://developer.android.com/studio/command-line/variables.html you should change ANDROID_AVD_HOME environment var:

Emulator Environment Variables

By default, the emulator stores configuration files under $HOME/.android/ and AVD data under $HOME/.android/avd/. You can override the defaults by setting the following environment variables. The emulator -avd command searches the avd directory in the order of the values in $ANDROID_AVD_HOME, $ANDROID_SDK_HOME/.android/avd/, and $HOME/.android/avd/. For emulator environment variable help, type emulator -help-environment at the command line. For information about emulator command-line options, see Control the Emulator from the Command Line.

• ANDROID_EMULATOR_HOME: Sets the path to the user-specific emulator configuration directory. The default location is
  $ANDROID_SDK_HOME/.android/.
• ANDROID_AVD_HOME: Sets the path to the directory that contains all AVD-specific files, which mostly consist of very large disk images. The default location is $ANDROID_EMULATOR_HOME/avd/. You might want to specify a new location if the default location is low on disk space.

After change or set ANDROID_AVD_HOME you will have to move all content inside ~user/.android/avd/ to your new location and change path into ini file of each emulator, just replace it with your new path

Put the <label> outside the form-group:

<form class="form-inline">
  <label for="rg-from">Ab: </label>
  <div class="form-group">
    <input type="text" id="rg-from" name="rg-from" value="" class="form-control">
  </div>
  <!-- rest of form -->
</form>

// declarations.d.ts
export interface IMyTable {
      id: number;
      title: string;
      createdAt: Date;
      isDeleted: boolean
}
declare var Tes: IMyTable;
// call in annother page
console.log(Tes.id);

Assuming they do not have to be in IMG tags...

HTML:

<div class="thumb1">
</div>

CSS:

.thumb1 { 
  background: url(blah.jpg) 50% 50% no-repeat; /* 50% 50% centers image in div */
  width: 250px;
  height: 250px;
}

.thumb1:hover { YOUR HOVER STYLES HERE }

EDIT: If the div needs to link somewhere just adjust HTML and Styles like so:

HTML:

<div class="thumb1">
<a href="#">Link</a>
</div>

CSS:

.thumb1 { 
  background: url(blah.jpg) 50% 50% no-repeat; /* 50% 50% centers image in div */
  width: 250px;
  height: 250px;
}

.thumb1 a {
  display: block;
  width: 250px;
  height: 250px;
}

.thumb1 a:hover { YOUR HOVER STYLES HERE }

Note this could also be modified to be responsive, for example % widths and heights etc.

Even if your %JAVA_HOME% contains spaces, you can directly put entire string over there.

-vm
C:\Program Files (x86)\Java\jdk1.8.0_162\bin

Also, you don't have to specify javaw.exe in the path, just mention it till bin it will find javaw.exe in bin folder by itself. Just keep one thing in mind that the jdk version you provide should match with the eclipse version you are using.

If you are using a 64 bit java then download 64 bit Eclipse. If you are using a 32 bit java then download 32 bit Eclipse.

CppLister is free tool for C++ developers. It just collects information about currently open file from intellisense database and displays various information for easy navigation.

If you hava a fact png (1MB for 400x400 etc.):

__import__("importlib").import_module("PIL.Image").open("out.png").save("out.png")

You can generate a key by the following command:

php artisan key:generate 

The key will be written automatically in your .env file.

APP_KEY=YOUR_GENERATED_KEY

If you want to see your key after generation use --show option

php artisan key:generate --show

Note: The .env is a hidden file in your project folder.

String str = "223232-1.jpg"
int index = str.IndexOf('-');
if(index > 0) {
    return str.Substring(0, index)
}

Regular expression for simple address validation

^[#.0-9a-zA-Z\s,-]+$

E.g. for Address match case

#1, North Street, Chennai - 11 

E.g. for Address not match case

$1, North Street, Chennai @ 11

And if nothing works by whatever reason, build it from the command line:

ant -Dj2ee.server.home=D:\apache-tomcat-8.0.23 clean

ant -Dj2ee.server.home=D:\apache-tomcat-8.0.23 compile

ant -Dj2ee.server.home=D:\apache-tomcat-8.0.23 dist

To securely pass the password in a script (i.e. prevent it from showing up with ps auxf or logs) you can do it with the -K- flag (read config from stdin) and a heredoc:

curl --url url -K- <<< "--user user:password"

You are asking the wrong question. In databases is not the operator performance that matters, is always the SARGability of the expression, and the coverability of the overall query. Performance of the operator itself is largely irrelevant.

So, how do LIKE and = compare in terms of SARGability? LIKE, when used with an expression that does not start with a constant (eg. when used LIKE '%something') is by definition non-SARGabale. But does that make = or LIKE 'something%' SARGable? No. As with any question about SQL performance the answer does not lie with the query of the text, but with the schema deployed. These expression may be SARGable if an index exists to satisfy them.

So, truth be told, there are small differences between = and LIKE. But asking whether one operator or other operator is 'faster' in SQL is like asking 'What goes faster, a red car or a blue car?'. You should eb asking questions about the engine size and vechicle weight, not about the color... To approach questions about optimizing relational tables, the place to look is your indexes and your expressions in the WHERE clause (and other clauses, but it usually starts with the WHERE).

You could use this:

data[:1] = ['hello']

For the lazy guys:

First download cookie: http://plugins.jquery.com/cookie/

Add it to your html:

<script src="{% static 'designer/js/jquery.cookie.js' %}"></script>

Now you can create a working POST request:

var csrftoken = $.cookie('csrftoken');

function csrfSafeMethod(method) {
    // these HTTP methods do not require CSRF protection
    return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
}

$.ajaxSetup({
    beforeSend: function(xhr, settings) {
        if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
            xhr.setRequestHeader("X-CSRFToken", csrftoken);
        }
    }
});

$.ajax(save_url, {
    type : 'POST',
    contentType : 'application/json',
    data : JSON.stringify(canvas),
    success: function () {
        alert("Saved!");
    }

})

When you do return Json(...) you are specifically telling MVC not to use a view, and to serve serialized JSON data. Your browser opens a download dialog because it doesn't know what to do with this data.

If you instead want to return a view, just do return View(...) like you normally would:

var dictionary = listLocation.ToDictionary(x => x.label, x => x.value);
return View(new { Values = listLocation });

Then in your view, simply encode your data as JSON and assign it to a JavaScript variable:

<script>
    var values = @Html.Raw(Json.Encode(Model.Values));
</script>

EDIT

Here is a bit more complete sample. Since I don't have enough context from you, this sample will assume a controller Foo, an action Bar, and a view model FooBarModel. Additionally, the list of locations is hardcoded:

Controllers/FooController.cs

public class FooController : Controller
{
    public ActionResult Bar()
    {
        var locations = new[]
        {
            new SelectListItem { Value = "US", Text = "United States" },
            new SelectListItem { Value = "CA", Text = "Canada" },
            new SelectListItem { Value = "MX", Text = "Mexico" },
        };

        var model = new FooBarModel
        {
            Locations = locations,
        };

        return View(model);
    }
}

Models/FooBarModel.cs

public class FooBarModel
{
    public IEnumerable<SelectListItem> Locations { get; set; }
}

Views/Foo/Bar.cshtml

@model MyApp.Models.FooBarModel

<script>
    var locations = @Html.Raw(Json.Encode(Model.Locations));
</script>

By the looks of your error message, it seems like you are mixing incompatible types (i.e. Ported_LI.Models.Locatio??n and MyApp.Models.Location) so, to recap, make sure the type sent from the controller action side match what is received from the view. For this sample in particular, new FooBarModel in the controller matches @model MyApp.Models.FooBarModel in the view.

EDIT: Updated for jQuery 1.8

Since jQuery 1.8 browser specific transformations will be added automatically. jsFiddle Demo

var rotation = 0;

jQuery.fn.rotate = function(degrees) {
    $(this).css({'transform' : 'rotate('+ degrees +'deg)'});
    return $(this);
};

$('.rotate').click(function() {
    rotation += 5;
    $(this).rotate(rotation);
});

EDIT: Added code to make it a jQuery function.

For those of you who don't want to read any further, here you go. For more details and examples, read on. jsFiddle Demo.

var rotation = 0;

jQuery.fn.rotate = function(degrees) {
    $(this).css({'-webkit-transform' : 'rotate('+ degrees +'deg)',
                 '-moz-transform' : 'rotate('+ degrees +'deg)',
                 '-ms-transform' : 'rotate('+ degrees +'deg)',
                 'transform' : 'rotate('+ degrees +'deg)'});
    return $(this);
};

$('.rotate').click(function() {
    rotation += 5;
    $(this).rotate(rotation);
});

EDIT: One of the comments on this post mentioned jQuery Multirotation. This plugin for jQuery essentially performs the above function with support for IE8. It may be worth using if you want maximum compatibility or more options. But for minimal overhead, I suggest the above function. It will work IE9+, Chrome, Firefox, Opera, and many others.

Bobby... This is for the people who actually want to do it in the javascript. This may be required for rotating on a javascript callback.

Here is a jsFiddle.

If you would like to rotate at custom intervals, you can use jQuery to manually set the css instead of adding a class. Like this! I have included both jQuery options at the bottom of the answer.

HTML

<div class="rotate">
    <h1>Rotatey text</h1>
</div>

CSS

/* Totally for style */
.rotate {
    background: #F02311;
    color: #FFF;
    width: 200px;
    height: 200px;
    text-align: center;
    font: normal 1em Arial;
    position: relative;
    top: 50px;
    left: 50px;
}

/* The real code */
.rotated {
    -webkit-transform: rotate(45deg);  /* Chrome, Safari 3.1+ */
    -moz-transform: rotate(45deg);  /* Firefox 3.5-15 */
    -ms-transform: rotate(45deg);  /* IE 9 */
    -o-transform: rotate(45deg);  /* Opera 10.50-12.00 */
    transform: rotate(45deg);  /* Firefox 16+, IE 10+, Opera 12.10+ */
}

jQuery

Make sure these are wrapped in $(document).ready

$('.rotate').click(function() {
    $(this).toggleClass('rotated');
});

Custom intervals

var rotation = 0;
$('.rotate').click(function() {
    rotation += 5;
    $(this).css({'-webkit-transform' : 'rotate('+ rotation +'deg)',
                 '-moz-transform' : 'rotate('+ rotation +'deg)',
                 '-ms-transform' : 'rotate('+ rotation +'deg)',
                 'transform' : 'rotate('+ rotation +'deg)'});
});

In my case the error was appearing because I had uploaded the whole folder, containing the website files, into the container.

I solved it by moving all the files outside the folder, right into the container.

sumall = summ + sumd + sumy

Your sumall is an integer. If you want the individual characters from it, convert it to a string first.

if you're using ckeditor 4.x you can try

config.allowedContent = true;

if you're using ckeditor 3.x you may be having this issue.

try putting the following line in config.js

config.ignoreEmptyParagraph = false;

A more modern version:

function arraysEqual(a, b) {
  a = Array.isArray(a) ? a : [];
  b = Array.isArray(b) ? b : [];
  return a.length === b.length && a.every((el, ix) => el === b[ix]);
}

Coercing non-array arguments to empty arrays stops a.every() from exploding.

If you just want to see if the arrays have the same set of elements then you can use Array.includes():

function arraysContainSame(a, b) {
  a = Array.isArray(a) ? a : [];
  b = Array.isArray(b) ? b : [];
  return a.length === b.length && a.every(el => b.includes(el));
}

I had a similar problem, I wanted to use a different user name for a svn+ssh repository. In the end, I used svn relocate (as described in in this answer. In my case, I'm using svn 1.6.11 and did the following:

svn switch --relocate \
    svn+ssh://olduser@svnserver/path/to/repo \
    svn+ssh://newuser@svnserver/path/to/repo

where svn+ssh://olduser@svnserver/path/to/repo can be found in the URL: line output of svn info command. This command asked me for the password of newuser.

Note that this change is persistent, i.e. if you want only temporarily switch to the new username with this method, you'll have to issue a similar command again after svn update etc.

Here's a MySQL solution:

UPDATE mytable
SET number = (@n := COALESCE(number, @n))
ORDER BY date;

This is concise, but won't necessary work in other brands of RDBMS. For other brands, there might be a brand-specific solution that is more relevant. That's why it's important to tell us the brand you're using.

It's nice to be vendor-independent, as @Pax commented, but failing that, it's also nice to use your chosen brand of database to its fullest advantage.

Explanation of the above query:

@n is a MySQL user variable. It starts out NULL, and is assigned a value on each row as the UPDATE runs through rows. Where number is non-NULL, @n is assigned the value of number. Where number is NULL, the COALESCE() defaults to the previous value of @n. In either case, this becomes the new value of the number column and the UPDATE proceeds to the next row. The @n variable retains its value from row to row, so subsequent rows get values that come from the prior row(s). The order of the UPDATE is predictable, because of MySQL's special use of ORDER BY with UPDATE (this is not standard SQL).

In addition to the other answers (particularly by Lekakis), some string replacements can also be used in the option --log-file= as elaborated in the Valgrind's user manual.

Four replacements were available at the time of writing:

• %p: Prints the current process ID
  • valgrind --log-file="myFile-%p.dat" <application-name>
• %n: Prints file sequence number unique for the current process
  • valgrind --log-file="myFile-%p-%n.dat" <application-name>
• %q{ENV}: Prints contents of the environment variable ENV
  • valgrind --log-file="myFile-%q{HOME}.dat" <application-name>
• %%: Prints %
  • valgrind --log-file="myFile-%%.dat" <application-name>

It seems that the extension cannot be found anymore using "Visual Studio Team Services". Instead, by following the link in Using Visual Studio Code & Team Foundation Version Control on "Get the TFVC plugin working in Visual Studio Code" you get to the Azure Repos Extension for Visual Studio Code GitHub. There it is explained that you now have to look for "Team Azure Repos".

Also, please note, that with the new Settings editor in Visual Studio Code the additional slashes do not have to be added. The path to tf.exe for VS 2017 - if specified using the "user friendly" Settings editor - would be just

C:\Program Files (x86)\Microsoft Visual Studio\2017\Professional\Common7\IDE\CommonExtensions\Microsoft\TeamFoundation\Team Explorer\TF.exe

I used for Android Chrome "The Screen Orientation API"

To look the current orientation call console.log(screen.orientation.type) (and maybe screen.orientation.angle).

Results: portrait-primary | portrait-secondary | landscape-primary | landscape-secondary

Below is my code, I hope it'll be helpful:

var m_isOrientation = ("orientation" in screen) && (typeof screen.orientation.lock == 'function') && (typeof screen.orientation.unlock == 'function');
...
if (!isFullscreen()) return;
screen.orientation.lock('landscape-secondary').then(
    function() {
        console.log('new orientation is landscape-secondary');
    },
    function(e) {
        console.error(e);
    }
);//here's Promise
...
screen.orientation.unlock();

• I tested only for Android Chrome - ok

You can also unconditionally add the delimiter string, and after the loop remove the extra delimiter at the end. Then an "if list is empty then return this string" at the beginning will allow you to avoid the check at the end (as you cannot remove characters from an empty list)

So the question really is:

"Given a loop and an if, what do you think is the clearest way to have these together?"

Or check this out this will help align all the elements at once.

 <LinearLayout
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/showdescriptioncontenttitle"
    android:paddingTop="10dp"
    android:paddingBottom="10dp"
    android:layout_gravity="center"
    android:gravity="center_horizontal"
>
    <TextView 
        android:id="@+id/showdescriptiontitle"
        android:text="Title"
        android:textSize="35dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
    />
</LinearLayout>

How Magento log cleaning can be done both manually, automatically and other Magento database maintenance. Below the three things are most important of Magento database maintenance and optimization techniques;

• Log Cleaning
• Smart use of MySQL updated versions
• Buffer pool size settings

To get more information http://blog.contus.com/magento-database-maintenance-and-optimization/

I got in trouble at work one time. I was accused of using "magic numbers" in array declarations.

Like this:

int Marylyn[256], Ann[1024];

The company policy was to avoid these magic numbers because, it was explained to me, that these numbers were not portable; that they impeded easy maintenance. I argued that when I am reading the code, I want to know exactly how big the array is. I lost the argument and so, on a Friday afternoon I replaced the offending "magic numbers" with #defines, like this:

 #define TWO_FIFTY_SIX 256
 #define TEN_TWENTY_FOUR 1024

 int Marylyn[TWO_FIFTY_SIX], Ann[TEN_TWENTY_FOUR];

On the following Monday afternoon I was called in and accused of having passive defiant tendencies.

You might want to look at csounds, also. It has several API's, including Python. It might be able to interact with an A-D interface and gather sound samples.

MVC Controller:

    [HttpGet]
    public ActionResult DetailList(ImportDetailSearchModel model)
    {
        Data.ImportDataAccess ida = new Data.ImportDataAccess();
        List<Data.ImportDetailData> data = ida.GetImportDetails(model.FileId, model.FailuresOnly);

        return PartialView("ImportSummaryDetailPartial", data);
    }

MVC View:

<table class="sortable">
<thead>
    <tr><th>Unique Id</th><th class="left">Error Type</th><th class="left">Field</th><th class="left">Message</th><th class="left">State</th></tr>
</thead>
<tbody>
    @foreach (Data.ImportDetailData detail in Model)
    {
    <tr><th>@detail.UniqueID</th><th class="left">@detail.ErrorType</th><th class="left">@detail.FieldName</th><th class="left">@detail.Message</th><th class="left">@detail.ItemState</th></tr>
    }
</tbody></table>

How hard is that? No ViewState, No BS Page life-cycle...Just pure efficient code.

• if you unable to find assembly reference from when (Right click on reference ->add required assembly)

try this Package manager console
Install-Package System.Net.Http.Formatting.Extension -Version 5.2.3 and then add by using add reference .

It should be like this

$(this).text($(this).text().replace('N/A, ', ''))

Security Warning: md5(uniqid(rand(), TRUE)) is not a secure way to generate random numbers. See this answer for more information and a solution that leverages a cryptographically secure random number generator.

Looks like you need an else with your if.

if (!isset($_SESSION['token'])) {
    $token = md5(uniqid(rand(), TRUE));
    $_SESSION['token'] = $token;
    $_SESSION['token_time'] = time();
}
else
{
    $token = $_SESSION['token'];
}

UTF-8 is prepared for world domination, Latin1 isn't.

If you're trying to store non-Latin characters like Chinese, Japanese, Hebrew, Russian, etc using Latin1 encoding, then they will end up as mojibake. You may find the introductory text of this article useful (and even more if you know a bit Java).

Note that full 4-byte UTF-8 support was only introduced in MySQL 5.5. Before that version, it only goes up to 3 bytes per character, not 4 bytes per character. So, it supported only the BMP plane and not e.g. the Emoji plane. If you want full 4-byte UTF-8 support, upgrade MySQL to at least 5.5 or go for another RDBMS like PostgreSQL. In MySQL 5.5+ it's called utf8mb4.

%s is used as a placeholder for string values you want to inject into a formatted string.

%d is used as a placeholder for numeric or decimal values.

For example (for python 3)

print ('%s is %d years old' % ('Joe', 42))

Would output

Joe is 42 years old

Here is the ES6 code which I use to create a directory (when it doesn't exist):

const fs = require('fs');
const path = require('path');

function createDirectory(directoryPath) {
  const directory = path.normalize(directoryPath);

  return new Promise((resolve, reject) => {
    fs.stat(directory, (error) => {
      if (error) {
        if (error.code === 'ENOENT') {
          fs.mkdir(directory, (error) => {
            if (error) {
              reject(error);
            } else {
              resolve(directory);
            }
          });
        } else {
          reject(error);
        }
      } else {
        resolve(directory);
      }
    });
  });
}

const directoryPath = `${__dirname}/test`;

createDirectory(directoryPath).then((path) => {
  console.log(`Successfully created directory: '${path}'`);
}).catch((error) => {
  console.log(`Problem creating directory: ${error.message}`)
});

Note:

• In the beginning of the createDirectory function, I normalize the path to guarantee that the path seperator type of the operating system will be used consistently (e.g. this will turn C:\directory/test into C:\directory\test (when being on Windows)
• fs.exists is deprecated, that's why I use fs.stat to check if the directory already exists
• If a directory doesn't exist, the error code will be ENOENT (Error NO ENTry)
• The directory itself will be created using fs.mkdir
• I prefer the asynchronous function fs.mkdir over it's blocking counterpart fs.mkdirSync and because of the wrapping Promise it will be guaranteed that the path of the directory will only be returned after the directory has been successfully created

It's highly probable that you want to have a text next to the checkbox. In that case, you can put the checkbox inside a label like I do below:

<label style="width: 150px;"><input type="checkbox" name="damageTypeItems" value="72" aria-required="true" class="error"> All Over</label>
<label style="width: 150px;"><input type="checkbox" name="damageTypeItems" value="73" aria-required="true" class="error"> All Over X2</label>

The problem is that when the error message is displayed, it's going to be inserted after the checkbox but before the text, making it unreadable. In order to fix that, I changed the error placement function:

if (element.is(":checkbox")) {
    error.insertAfter(element.parent().parent());
}
else {
    error.insertAfter(element);
}

It depends on your layout but what I did is to have a special error placement for checkbox controls. I get the parent of the checkbox, which is a label, and then I get the parent of it, which is a div in my case. This way, the error is placed below the list of checkbox controls.

Allthough your src = encodeURI should work, I would have gone a different way:

var iframe = document.createElement('iframe');
var html = '<body>Foo</body>';
document.body.appendChild(iframe);
iframe.contentWindow.document.open();
iframe.contentWindow.document.write(html);
iframe.contentWindow.document.close();

As this has no x-domain restraints and is completely done via the iframe handle, you may access and manipulate the contents of the frame later on. All you need to make sure of is, that the contents have been rendered, which will (depending on browser type) start during/after the .write command is issued - but not nescessarily done when close() is called.

A 100% compatible way of doing a callback could be this approach:

<html><body onload="parent.myCallbackFunc(this.window)"></body></html>

Iframes has the onload event, however. Here is an approach to access the inner html as DOM (js):

iframe.onload = function() {
   var div=iframe.contentWindow.document.getElementById('mydiv');
};

foreach (DataGridViewRow row in GridView2.Rows)
            {
                if ( ! row.IsNewRow)
                {
                    for (int i = 0; i < GridView2.Columns.Count; i++)
                    {
                        String header = GridView2.Columns[i].HeaderText;
                        String cellText = Convert.ToString(row.Cells[i].Value);
                    }
                }
            }

Here Before Iterating for cell Values need to check for NewRow.

Use putty. Put install directory path in environment values (PATH), and restart your PC if required.

Open cmd (command prompt) and type

C:/> pscp "C:\Users/gsjha/Desktop/example.txt" user@host:/home/

It'll be copied to the system.

You can use an array in the select() to define more columns and you can use the DB::raw() there with aliasing it to followers. Should look like this:

$query = DB::table('category_issue')
    ->select(array('issues.*', DB::raw('COUNT(issue_subscriptions.issue_id) as followers')))
    ->where('category_id', '=', 1)
    ->join('issues', 'category_issue.issue_id', '=', 'issues.id')
    ->left_join('issue_subscriptions', 'issues.id', '=', 'issue_subscriptions.issue_id')
    ->group_by('issues.id')
    ->order_by('followers', 'desc')
    ->get();

if you open the psql console in a terminal window, by typing

$ psql

you're super user username will be shown before the =#, for example:

elisechant=#$

That will be the user name you should use for localhost.

This is a simple way to do this with ng-repeat and ng-init to aggregate all the values and extend the model with a item.total property.

<table>
<tr ng-repeat="item in items" ng-init="setTotals(item)">
                    <td>{{item.name}}</td>
                    <td>{{item.quantity}}</td>
                    <td>{{item.unitCost | number:2}}</td>
                    <td>{{item.total | number:2}}</td>
</tr>
<tr class="bg-warning">
                    <td>Totals</td>
                    <td>{{invoiceCount}}</td>
                    <td></td>                    
                    <td>{{invoiceTotal | number:2}}</td>
                </tr>
</table>

The ngInit directive calls the set total function for each item. The setTotals function in the controller calculates each item total. It also uses the invoiceCount and invoiceTotal scope variables to aggregate (sum) the quantity and total for all items.

$scope.setTotals = function(item){
        if (item){
            item.total = item.quantity * item.unitCost;
            $scope.invoiceCount += item.quantity;
            $scope.invoiceTotal += item.total;
        }
    }

for more information and demo look at this link:

http://www.ozkary.com/2015/06/angularjs-calculate-totals-using.html

1. Firstly, your have to confirm that you also access server api via your mac ip on mac browser. If not, make sure your server allow do that instead of just localhost (127.0.0.1) by runing your server on 0.0.0.0
2. Go to safari on iphone and make a get request by api your server serve: ex http://0.0.0.0/st. Safari auto redirect to server your mac runing (at your mac ip)
3. If you want to make request on your iphone app. It shoud be repalce requet 0.0.0.0 by [your mac/server ip]

Consider to use jquery's each method, since it allows to return false inside callback function:

$.each(function(e, i) { 
   if (i % 2) return false;
   console.log(e)
})

Lodash libraries also provides takeWhile method that can be chained with map/reduce/fold etc:

var users = [
  { 'user': 'barney',  'active': false },
  { 'user': 'fred',    'active': false },
  { 'user': 'pebbles', 'active': true }
];

_.takeWhile(users, function(o) { return !o.active; });
// => objects for ['barney', 'fred']

// The `_.matches` iteratee shorthand.
_.takeWhile(users, { 'user': 'barney', 'active': false });
// => objects for ['barney']

// The `_.matchesProperty` iteratee shorthand.
_.takeWhile(users, ['active', false]);
// => objects for ['barney', 'fred']

// The `_.property` iteratee shorthand.
_.takeWhile(users, 'active');
// => []

This is a subjective opinion, but I think a text editor shouldn't do everything and the kitchen sink. I prefer lightweight flexible and powerful (in their specialized fields) editors. Although being mostly a Windows user, I like the Unix philosophy of having lot of specialized tools that you can pipe together (like the UnxUtils) rather than a monster doing everything, but not necessarily as you would like it!

Find in files is on the border of these extra features, but useful when you can double-click on a found line to open the file at the right line. Note that initially, in SciTE it was just a Tools call to grep or equivalent!
FTP is very close to off topic, although it can be seen as an extended open/save dialog.
Replace in files is too much IMO: it is dangerous (you can mess lot of files at once) if you have no preview, etc. I would rather use a specialized tool I chose, perhaps among those in Multi line search and replace tool.

To answer the question, looking at N++, I see a Run menu where you can launch any tool, with assignment of a name and shortcut key. I see also Plugins > NppExec, which seems able to launch stuff like sed (not tried it).

One obvious and straightforward possibility is to use "if-else conditions". In that example

x <- c(1, 2, 4)
y <- c(1, 4, 5)
w <- ifelse(x <= 1, "good", ifelse((x >= 3) & (x <= 5), "bad", "fair"))
data.frame(x, y, w)

** For the additional question in the edit** Is that what you expect ?

> d1 <- c("e", "c", "a")
> d2 <- c("e", "a", "b")
> 
> w <- ifelse((d1 == "e") & (d2 == "e"), 1, 
+    ifelse((d1=="a") & (d2 == "b"), 2,
+    ifelse((d1 == "e"), 3, 99)))
>     
> data.frame(d1, d2, w)
  d1 d2  w
1  e  e  1
2  c  a 99
3  a  b  2

If you do not feel comfortable with the ifelse function, you can also work with the if and else statements for such applications.

TagLib Sharp has support for reading ID3 tags.

For model, it will run case on line number 5 only

bundle exec rspec spec/models/user_spec.rb:5

For controller : it will run case on line number 5 only

bundle exec rspec spec/controllers/users_controller_spec.rb:5

For signal model or controller remove line number from above

To run case on all models

bundle exec rspec spec/models

To run case on all controller

bundle exec rspec spec/controllers

To run all cases

 bundle exec rspec 

There is a weird case where if the element is set to display: inline the jQuery check for visibility fails.

Example:

CSS

#myspan {display: inline;}

jQuery

$('#myspan').show(); // Our element is `inline` instead of `block`
$('#myspan').is(":visible"); // This is false

To fix it you can hide the element in jQuery and than show/hide or toggle() should work fine.

$('#myspan').hide()
$('#otherElement').on('click', function() {
    $('#myspan').toggle();
});

b = a(find(a~=0))

Double backslash also works ! Then you declare there really should be a / instead of some function or something.

<script>document.write('<script src="…"><//script>');</script>

Use this code for find the which key pressed

from pynput import keyboard

def on_press(key):
    try:
        print('alphanumeric key {0} pressed'.format(
            key.char))
    except AttributeError:
        print('special key {0} pressed'.format(
            key))

def on_release(key):
    print('{0} released'.format(
        key))
    if key == keyboard.Key.esc:
        # Stop listener
        return False

# Collect events until released
with keyboard.Listener(
        on_press=on_press,
        on_release=on_release) as listener:
    listener.join()

This code should work reasonably well:

public static File createTempDir() {
    final String baseTempPath = System.getProperty("java.io.tmpdir");

    Random rand = new Random();
    int randomInt = 1 + rand.nextInt();

    File tempDir = new File(baseTempPath + File.separator + "tempDir" + randomInt);
    if (tempDir.exists() == false) {
        tempDir.mkdir();
    }

    tempDir.deleteOnExit();

    return tempDir;
}

Creating it once and using it wherever needed is a good idea. Add this in your styles.xml:

<style name="Divider">
    <item name="android:layout_width">match_parent</item>
    <item name="android:layout_height">1dp</item>
    <item name="android:background">?android:attr/listDivider</item>
</style>

and add this in your xml code, where a line divider is needed:

<View style="@style/Divider"/>

Originally answered by toddles_fp to this question: Android Drawing Separator/Divider Line in Layout?

A easy way is

1. type in from google.colab import files uploaded = files.upload()
2. copy the code
3. paste in colab cell

This saves the absolute path of the current working directory to the variable cwd:

cwd=$(pwd)

In your case you can just do:

export PATH=$PATH:$(pwd)+somethingelse

To remove newlines, use tr:

tr -d '\n'

If you want to replace each newline with a single space:

tr '\n' ' '

The error ba: Event not found is coming from csh, and is due to csh trying to match !ba in your history list. You can escape the ! and write the command:

sed ':a;N;$\!ba;s/\n/ /g'  # Suitable for csh only!!

but sed is the wrong tool for this, and you would be better off using a shell that handles quoted strings more reasonably. That is, stop using csh and start using bash.

Make sure drush is installed (you may also need to make sure the dblog module is enabled) and use:

drush watchdog-show --tail

Available in drush v8 and below.

This will give you a live look at the logs from your console.

I had the same issue and i fixed it with the following:

The problem is that when you specify a file that only your app has access to (e.g. by calling getFileStreamPath("file");)

That is why i just made sure that the given file really exists and that EVERYONE has write access to it.

Intent intent = new Intent(android.provider.MediaStore.ACTION_IMAGE_CAPTURE);
File outFile = getFileStreamPath(Config.IMAGE_FILENAME);
outFile.createNewFile();
outFile.setWritable(true, false);
intent.putExtra(android.provider.MediaStore.EXTRA_OUTPUT,Uri.fromFile(outFile));
startActivityForResult(intent, 2);

This way, the camera app has write access to the given Uri and the OK button works fine :)

I use following code, found somewhere in the internet don't remember the source though.

    var allText;
    var rawFile = new XMLHttpRequest();
    rawFile.open("GET", file, false);
    rawFile.onreadystatechange = function () {
        if (rawFile.readyState === 4) {
            if (rawFile.status === 200 || rawFile.status == 0) {
                allText = rawFile.responseText;
            }
        }
    }
    rawFile.send(null);
    return JSON.parse(allText);

First of all need to understand what is CSV and how to write it.

(Most of answers (all of them at the moment) do not use this requirements, that's why they all is wrong!)

1. Every next string ( /r/n ) is next "table" row.
2. "Table" cells is separated by some delimiter symbol.
3. As delimiter can be used ANY symbol. Often this is \t or ,.
4. Each cell possibly can contain this delimiter symbol inside of the cell (cell must to start with double quotes symbol and to have double quote in the end in this case)
5. Each cell possibly can contains /r/n symbols inside of the cell (cell must to start with double quotes symbol and to have double quote in the end in this case)

Some time ago I had wrote simple class for CSV read/write based on standard Microsoft.VisualBasic.FileIO library. Using this simple class you will be able to work with CSV like with 2 dimensions array.

Simple example of using my library:

Csv csv = new Csv("\t");//delimiter symbol

csv.FileOpen("c:\\file1.csv");

var row1Cell6Value = csv.Rows[0][5];

csv.AddRow("asdf","asdffffff","5")

csv.FileSave("c:\\file2.csv");

You can find my class by the following link and investigate how it's written: https://github.com/ukushu/DataExporter

This library code is really fast in work and source code is really short.

PS: In the same time this solution will not work for unity.

PS2: Another solution is to work with library "LINQ-to-CSV". It must also work well. But it's will be bigger.

I had to enable HTTP Activation in .NET Framework 4.5 Advanced Services > WCF Services

If using python, you may use this function, which clicks the button and waits for the DOM change:

def click_n_wait(driver, button, timeout=5):
    source = driver.page_source
    button.click()
    def compare_source(driver):
        try:
            return source != driver.page_source
        except WebDriverException:
            pass
    WebDriverWait(driver, timeout).until(compare_source)

(CREDIT: based on this stack overflow answer)

In a case where you are using a custom cell type, say ArticleCell, you might get an error that says :

    Initializer for conditional binding must have Optional type, not 'ArticleCell'

You will get this error if your line of code looks something like this:

    if let cell = tableView.dequeReusableCell(withIdentifier: "ArticleCell",for indexPath: indexPath) as! ArticleCell 

You can fix this error by doing the following :

    if let cell = tableView.dequeReusableCell(withIdentifier: "ArticleCell",for indexPath: indexPath) as ArticleCell?

If you check the above, you will see that the latter is using optional casting for a cell of type ArticleCell.

Seems your selector is wrong, try using:

a.button:hover{
     background: #383;
}

Your code

a.button a:hover

Means it is going to search for an a element inside a with class button.

You can use a simple regular expression:

function isInt(value) {

    var er = /^-?[0-9]+$/;

    return er.test(value);
}

Or you can use the below functions too, according your needs. They are developed by the PHPJS Project.

is_int() => Check if variable type is integer and if its content is integer

is_float() => Check if variable type is float and if its content is float

ctype_digit() => Check if variable type is string and if its content has only decimal digits

Update 1

Now it checks negative numbers too, thanks for @ChrisBartley comment!

<div style="width:100px;height:100px;overflow-x:hidden;overflow-y:auto;background-color:#000000">

Cross join :Cross Joins produce results that consist of every combination of rows from two or more tables. That means if table A has 3 rows and table B has 2 rows, a CROSS JOIN will result in 6 rows. There is no relationship established between the two tables – you literally just produce every possible combination.

Full outer Join : A FULL OUTER JOIN is neither "left" nor "right"— it's both! It includes all the rows from both of the tables or result sets participating in the JOIN. When no matching rows exist for rows on the "left" side of the JOIN, you see Null values from the result set on the "right." Conversely, when no matching rows exist for rows on the "right" side of the JOIN, you see Null values from the result set on the "left."

Just go to the class and replace the package statement with package com.myCompany.executabe after this eclipse will give you options to rename move the class to the new package and will do the needful

its anything other than the data itself, ie tcp flags, headers, crc, fcs etc..

if you need the index just use:

import random
foo = ['a', 'b', 'c', 'd', 'e']
print int(random.random() * len(foo))
print foo[int(random.random() * len(foo))]

random.choice does the same:)

Try the RoundUp function:

Dim i As Double

i = Application.WorksheetFunction.RoundUp(Cells(1, 1).Value * Cells(1, 2).Value, 2)

You can try FakeHttpContext:

using (new FakeHttpContext())
{
   HttpContext.Current.Session["CustomerId"] = "customer1";       
}

Use "IF DEFINED variable command" to test variable in batch file.

But if you want to test batch parameters, try below codes to avoid tricky input (such as "1 2" or ab^>cd)

set tmp="%1"
if "%tmp:"=.%"==".." (
    echo empty
) else (
    echo not empty
)

Use the :w command with a filename:

:w other_filename

Swift 5 (iOS 14)

Full navigation bar customization.

// -----------------------------------------------------------
// NAVIGATION BAR CUSTOMIZATION
// -----------------------------------------------------------
self.navigationController?.navigationBar.prefersLargeTitles = true
self.navigationController?.navigationBar.tintColor = UIColor.white
self.navigationController?.navigationBar.isTranslucent = false

if #available(iOS 13.0, *) {
    let appearance = UINavigationBarAppearance()
    appearance.configureWithDefaultBackground()
    appearance.backgroundColor = UIColor.blue
    appearance.largeTitleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
    appearance.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]

    navigationController?.navigationBar.standardAppearance = appearance
    navigationController?.navigationBar.scrollEdgeAppearance = appearance
    navigationController?.navigationBar.compactAppearance = appearance

} else {
    self.navigationController?.navigationBar.barTintColor = UIColor.blue
    self.navigationController?.navigationBar.largeTitleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
    self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white]
}

// -----------------------------------------------------------
// NAVIGATION BAR SHADOW
// -----------------------------------------------------------
self.navigationController?.navigationBar.layer.masksToBounds = false
self.navigationController?.navigationBar.layer.shadowColor = UIColor.black.cgColor
self.navigationController?.navigationBar.layer.shadowOffset = CGSize(width: 0, height: 2)
self.navigationController?.navigationBar.layer.shadowRadius = 15
self.navigationController?.navigationBar.layer.shadowOpacity = 0.7

Below a full code using for loading JS and/or CSS

function loadScript(directory, files){
  var head = document.getElementsByTagName("head")[0]
  var done = false
  var extension = '.js'
  for (var file of files){ 
    var path = directory + file + extension 
    var script = document.createElement("script")
    script.src = path        
    script.type = "text/javascript"
    script.onload = script.onreadystatechange = function() {
        if ( !done && (!this.readyState ||
            this.readyState == "loaded" || this.readyState == "complete") ) {
            done = true
            script.onload = script.onreadystatechange = null   // cleans up a little memory:
            head.removeChild(script)  // to avoid douple loading
        }
  };
  head.appendChild(script) 
  done = false
 }
}

function loadStyle(directory, files){
  var head = document.getElementsByTagName("head")[0]
  var extension = '.css'
  for (var file of files){ 
   var path = directory + file + extension 
   var link = document.createElement("link")
   link.href = path        
   link.type = "text/css"
   link.rel = "stylesheet" 
   head.appendChild(link) 
 }
}

(() => loadScript('libraries/', ['listen','functions', 'speak', 'commands', 'wsBrowser', 'main'])) ();
(() => loadScript('scripts/', ['index'])) ();

(() => loadStyle('styles/', ['index'])) ();

my question: while WHAT is True?

Everything inside the () of the while statement is going to be evaluated as a boolean. Meaning it gets converted into either true or false.

Consider in the statement while(6 > 5)

It first evaluates the expression 6 > 5 which is true so is the same as saying while(true)

Anything that is not FALSE, 0, an emptry string "", null, or undefined is likely to be evaluated to true.

When I first started programming I used to do things like if(foo == true), I didn't realise that was virtually the same thing as if(foo).

So when you say while(true) its like are saying while(true == true)

So to answer you question: While TRUE is True.

Working off the answer above, in API 23 you need to add "dangerous" permissions checks as well as checking the system's itself:

public static boolean isLocationServicesAvailable(Context context) {
    int locationMode = 0;
    String locationProviders;
    boolean isAvailable = false;

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT){
        try {
            locationMode = Settings.Secure.getInt(context.getContentResolver(), Settings.Secure.LOCATION_MODE);
        } catch (Settings.SettingNotFoundException e) {
            e.printStackTrace();
        }

        isAvailable = (locationMode != Settings.Secure.LOCATION_MODE_OFF);
    } else {
        locationProviders = Settings.Secure.getString(context.getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED);
        isAvailable = !TextUtils.isEmpty(locationProviders);
    }

    boolean coarsePermissionCheck = (ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) == PackageManager.PERMISSION_GRANTED);
    boolean finePermissionCheck = (ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED);

    return isAvailable && (coarsePermissionCheck || finePermissionCheck);
}

There are lots of options out there. Many of which are available as downloadable software as well as public websites. I do not think many of them expect to be used as API's unless they explicitly state that.

The one that I found effective was Enju which did not have the character limit that the Marc's Carnagie Mellon link had. Marc also mentioned a VISL scanner in comments, but that requires java in the browser, which is a non-starter for me.

Note that recently, Google has offered a new NLP Machine Learning API that providers amoung other features, a automatic sentence parser. I will likely not update this answer again, especially since the question is closed, but I suspect that the other big ML cloud stacks will soon support the same.

If you pass the -v flag to ansible-playbook on the command line, you'll see the stdout and stderr for each task executed:

$ ansible-playbook -v playbook.yaml

Ansible also has built-in support for logging. Add the following lines to your ansible configuration file:

[defaults] 
log_path=/path/to/logfile

Ansible will look in several places for the config file:

• ansible.cfg in the current directory where you ran ansible-playbook
• ~/.ansible.cfg
• /etc/ansible/ansible.cfg

If this server is visible to the outside world, It's worth checking if it's having lots of requests to connect from the outside world (i.e. people trying to break into it)

You can cast the numerator or the denominator to float...

int operations usually return int, so you have to change one of the operanding numbers.

What worked with me, in the Storyboard, go to the Navigation Controller, select the navigation bar, click on the Attributes Inspector, then change the style from default to black. That's it!

The only way to override inline style is by using !important keyword beside the CSS rule. The following is an example of it.

div {
        color: blue !important;
       /* Adding !important will give this rule more precedence over inline style */
    }

<div style="font-size: 18px; color: red;">
    Hello, World. How can I change this to blue?
</div>

Important Notes:

• Using !important is not considered as a good practice. Hence, you should avoid both !important and inline style.

• Adding the !important keyword to any CSS rule lets the rule forcefully precede over all the other CSS rules for that element.

• It even overrides the inline styles from the markup.

• The only way to override is by using another !important rule, declared either with higher CSS specificity in the CSS, or equal CSS specificity later in the code.

• Must Read - CSS Specificity by MDN

Check the target definition if you are working with an RCP-SWT project.

Open the target editor of and navigate to the environent definition. There you can set the architecture. The idea is that by starting up your RCP application then only the 32 bit SWT libraries/bundles will be loaded. If you have already a runtime configuration it is advisable to create a new one as well.

In the View, modify the current view or create a new view and make a filter change, select the radio button "Show items only when the following is true", in the below columns type "Created" and in the next dropdown select "is less than" and fill the next column [Today]-7.

The keyword [Today] denotes the current day for the calculation and this view will show as per your requirement

Well Facebook has undergone MANY many changes and it wasn't originally designed to be efficient. It was designed to do it's job. I have absolutely no idea what the code looks like and you probably won't find much info about it (for obvious security and copyright reasons), but just take a look at the API. Look at how often it changes and how much of it doesn't work properly, anymore, or at all.

I think the biggest ace up their sleeve is the Hiphop. http://developers.facebook.com/blog/post/358 You can use HipHop yourself: https://github.com/facebook/hiphop-php/wiki

But if you ask me it's a very ambitious and probably time wasting task. Hiphop only supports so much, it can't simply convert everything to C++. So what does this tell us? Well, it tells us that Facebook is NOT fully taking advantage of the PHP language. It's not using the latest 5.3 and I'm willing to bet there's still a lot that is PHP 4 compatible. Otherwise, they couldn't use HipHop. HipHop IS A GOOD IDEA and needs to grow and expand, but in it's current state it's not really useful for that many people who are building NEW PHP apps.

There's also PHP to JAVA via things like Resin/Quercus. Again, it doesn't support everything...

Another thing to note is that if you use any non-standard PHP module, you aren't going to be able to convert that code to C++ or Java either. However...Let's take a look at PHP modules. They are ARE compiled in C++. So if you can build PHP modules that do things (like parse XML, etc.) then you are basically (minus some interaction) working at the same speed. Of course you can't just make a PHP module for every possible need and your entire app because you would have to recompile and it would be much more difficult to code, etc.

However...There are some handy PHP modules that can help with speed concerns. Though at the end of the day, we have this awesome thing known as "the cloud" and with it, we can scale our applications (PHP included) so it doesn't matter as much anymore. Hardware is becoming cheaper and cheaper. Amazon just lowered it's prices (again) speaking of.

So as long as you code your PHP app around the idea that it will need to one day scale...Then I think you're fine and I'm not really sure I'd even look at Facebook and what they did because when they did it, it was a completely different world and now trying to hold up that infrastructure and maintain it...Well, you get things like HipHop.

Now how is HipHop going to help you? It won't. It can't. You're starting fresh, you can use PHP 5.3. I'd highly recommend looking into PHP 5.3 frameworks and all the new benefits that PHP 5.3 brings to the table along with the SPL libraries and also think about your database too. You're most likely serving up content from a database, so check out MongoDB and other types of databases that are schema-less and document-oriented. They are much much faster and better for the most "common" type of web site/app.

Look at NEW companies like Foursquare and Smugmug and some other companies that are utilizing NEW technology and HOW they are using it. For as successful as Facebook is, I honestly would not look at them for "how" to build an efficient web site/app. I'm not saying they don't have very (very) talented people that work there that are solving (their) problems creatively...I'm also not saying that Facebook isn't a great idea in general and that it's not successful and that you shouldn't get ideas from it....I'm just saying that if you could view their entire source code, you probably wouldn't benefit from it.

The Powershell utility Get-FileHash worked perfectly for me.

https://msdn.microsoft.com/en-us/powershell/reference/5.1/microsoft.powershell.utility/get-filehash

You need to use <script type="text/javascript"> </script> unless you're using html5. In that case you are encouraged to prefer <script> ... </script> (because type attribute is specified by default to that value)

We show up two functions that prints a SINGLE character to binary.

void printbinchar(char character)
{
    char output[9];
    itoa(character, output, 2);
    printf("%s\n", output);
}

printbinchar(10) will write into the console

    1010

itoa is a library function that converts a single integer value to a string with the specified base. For example... itoa(1341, output, 10) will write in output string "1341". And of course itoa(9, output, 2) will write in the output string "1001".

The next function will print into the standard output the full binary representation of a character, that is, it will print all 8 bits, also if the higher bits are zero.

void printbincharpad(char c)
{
    for (int i = 7; i >= 0; --i)
    {
        putchar( (c & (1 << i)) ? '1' : '0' );
    }
    putchar('\n');
}

printbincharpad(10) will write into the console

    00001010

Now i present a function that prints out an entire string (without last null character).

void printstringasbinary(char* s)
{
    // A small 9 characters buffer we use to perform the conversion
    char output[9];

    // Until the first character pointed by s is not a null character
    // that indicates end of string...
    while (*s)
    {
        // Convert the first character of the string to binary using itoa.
        // Characters in c are just 8 bit integers, at least, in noawdays computers.
        itoa(*s, output, 2);

        // print out our string and let's write a new line.
        puts(output);

        // we advance our string by one character,
        // If our original string was "ABC" now we are pointing at "BC".
        ++s;
    }
}

Consider however that itoa don't adds padding zeroes, so printstringasbinary("AB1") will print something like:

1000001
1000010
110001

I too had this problem, though there were answers here I want to an important point to this after / there should not be empty spaces.Be Aware of it

<input type="text" value="3" class="field left" readonly>

You could see in https://www.w3schools.com/tags/att_input_readonly.asp

The method to set "readonly":

$("input").attr("readonly", true)

to cancel "readonly"(work in jQuery):

$("input").attr("readonly", false)

If You want to check only when scroll ended, in Vanilla JS, You can come up with a solution like this:

Super Super compact

var t
window.onresize = () => { clearTimeout(t) t = setTimeout(() => { resEnded() }, 500) }
function resEnded() { console.log('ended') }

All 3 possible combinations together (ES6)

var t
window.onresize = () => {
    resizing(this, this.innerWidth, this.innerHeight) //1
    if (typeof t == 'undefined') resStarted() //2
    clearTimeout(t); t = setTimeout(() => { t = undefined; resEnded() }, 500) //3
}

function resizing(target, w, h) {
    console.log(`Youre resizing: width ${w} height ${h}`)
}    
function resStarted() { 
    console.log('Resize Started') 
}
function resEnded() { 
    console.log('Resize Ended') 
}

Additionally, how do I retrieve the number of days of a given month?

Aside from calculating it yourself (and consequently having to get leap years right), you can use a Date calculation to do it:

var y= 2010, m= 11;            // December 2010 - trap: months are 0-based in JS

var next= Date.UTC(y, m+1);    // timestamp of beginning of following month
var end= new Date(next-1);     // date for last second of this month
var lastday= end.getUTCDate(); // 31

In general for timestamp/date calculations I'd recommend using the UTC-based methods of Date, like getUTCSeconds instead of getSeconds(), and Date.UTC to get a timestamp from a UTC date, rather than new Date(y, m), so you don't have to worry about the possibility of weird time discontinuities where timezone rules change.

I actually wound up just going into index.js in the file-loader module and changing where the contents were emitted to. This is probably not the optimal solution, but until there's some other way, this is fine since I know exactly what's being handled by this loader, which is just fonts.

//index.js
var loaderUtils = require("loader-utils");
module.exports = function(content) {
    this.cacheable && this.cacheable();
    if(!this.emitFile) throw new Error("emitFile is required from module system");
    var query = loaderUtils.parseQuery(this.query);
    var url = loaderUtils.interpolateName(this, query.name || "[hash].[ext]", {
        context: query.context || this.options.context,
        content: content,
        regExp: query.regExp
    });
    this.emitFile("fonts/"+ url, content);//changed path to emit contents to "fonts" folder rather than project root
    return "module.exports = __webpack_public_path__ + " + JSON.stringify( url) + ";";
}
module.exports.raw = true;

Your regex pattern should have the g modifier:

var pattern = /[somepattern]+/g;

notice the g at the end. it tells the replacer to do a global replace.

Also you dont need to use the RegExp object you can construct your pattern as above. Example pattern:

var pattern = /[0-9a-zA-Z]+/g;

a pattern is always surrounded by / on either side - with modifiers after the final /, the g modifier being the global.

EDIT: Why does it matter if pattern is a variable? In your case it would function like this (notice that pattern is still a variable):

var pattern = /[0-9a-zA-Z]+/g;
repeater.replace(pattern, "1234abc");

But you would need to change your replace function to this:

this.markup = this.markup.replace(pattern, value);

If you're getting this error with react native, it may be due to a link to an NPM package that you removed (as it was in my case). After removing references to it in the settings.gradle and build.gradle files, I cleaned and rebuilt and it's as good as new :)

I have always just installed the new version on top and never had any issues. Do make sure that your path is updated to point to the new version though.

You must analyse the actual HTML output, for the hint.

By giving the path like this means "from current location", on the other hand if you start with a / that would mean "from the context".

I solve my issue using these commands

git checkout [BRANCH]   
git branch master [BRANCH] -f   
git checkout master   
git push origin master -f

From what I understand, you struggle with what to put into your template.

I'll show an example:

<ul>
    {% for guest in guests %}
    <li>{{ guest.name }} <a href="{{ path('your_delete_route_name',{'id': guest.id}) }}">[[DELETE]]</a></li>
    {% endfor %}
</ul>

Now what happens is it iterates over every object within guests (you'll have to rename this if your object collection is named otherwise!), shows the name and places the correct link. The route name might be different.

You can use the below method:

# Get all the files
allFiles = glob.glob("*")
# Files starting with eph
ephFiles = glob.glob("eph*")
# Files which doesnt start with eph
noephFiles = []
for file in allFiles:
    if file not in ephFiles:
        noephFiles.append(file)
# noepchFiles has all the file which doesnt start with eph.

Thank you.  

Some times, local config command won't show the proxy but it wont allow git push due to proxy. Run the following commands within the directory and see.

#git config --local --list

But the following commands displays the proxy set to local repository:

#git config http.proxy
#git config https.proxy

If the above command displays any proxy then clear it by running the following commands:

#git config https.proxy ""
#git config https.proxy ""

Here is the formula

create a new rule in conditional formating based on a formula. Use the following formula and apply it to $A:$A

=NOT(ISERROR(MATCH(A1,$B$1:$B$1000,0)))

here is the example sheet to download if you encounter problems

UPDATE
here is @pnuts's suggestion which works perfect as well:

=MATCH(A1,B:B,0)>0

State machines are not something that inherently needs a tutorial to be explained or even used. What I suggest is that you take a look at the data and how it needs to be parsed.

For example, I had to parse the data protocol for a Near Space balloon flight computer, it stored data on the SD card in a specific format (binary) which needed to be parsed out into a comma seperated file. Using a state machine for this makes the most sense because depending on what the next bit of information is we need to change what we are parsing.

The code is written using C++, and is available as ParseFCU. As you can see, it first detects what version we are parsing, and from there it enters two different state machines.

It enters the state machine in a known-good state, at that point we start parsing and depending on what characters we encounter we either move on to the next state, or go back to a previous state. This basically allows the code to self-adapt to the way the data is stored and whether or not certain data exists at all even.

In my example, the GPS string is not a requirement for the flight computer to log, so processing of the GPS string may be skipped over if the ending bytes for that single log write is found.

State machines are simple to write, and in general I follow the rule that it should flow. Input going through the system should flow with certain ease from state to state.

In Mvc You can do it by opening Web.config file it comes under bottom of your project file

Python's mmap module will allow you to insert into a file. The following sample shows how it can be done in Unix (Windows mmap may be different). Note that this does not handle all error conditions and you might corrupt or lose the original file. Also, this won't handle unicode strings.

import os
from mmap import mmap

def insert(filename, str, pos):
    if len(str) < 1:
        # nothing to insert
        return

    f = open(filename, 'r+')
    m = mmap(f.fileno(), os.path.getsize(filename))
    origSize = m.size()

    # or this could be an error
    if pos > origSize:
        pos = origSize
    elif pos < 0:
        pos = 0

    m.resize(origSize + len(str))
    m[pos+len(str):] = m[pos:origSize]
    m[pos:pos+len(str)] = str
    m.close()
    f.close()

It is also possible to do this without mmap with files opened in 'r+' mode, but it is less convenient and less efficient as you'd have to read and temporarily store the contents of the file from the insertion position to EOF - which might be huge.

var totalYears = 
    (DateTime.Today - new DateTime(2007, 03, 11)).TotalDays
    / 365.2425;

Average days from Wikipedia/Leap_year.

Since I don't believe "Please use..." plus some random code that is unrelated to the question is a good answer, but I do believe the spirit was correct, I decided to answer this correctly.

When you are using Sql Bulk Copy, it attempts to align your input data directly with the data on the server. So, it takes the Server Table and performs a SQL statement similar to this:

INSERT INTO [schema].[table] (col1, col2, col3) VALUES

Therefore, if you give it Columns 1, 3, and 2, EVEN THOUGH your names may match (e.g.: col1, col3, col2). It will insert like so:

INSERT INTO [schema].[table] (col1, col2, col3) VALUES
                          ('col1', 'col3', 'col2')

It would be extra work and overhead for the Sql Bulk Insert to have to determine a Column Mapping. So it instead allows you to choose... Either ensure your Code and your SQL Table columns are in the same order, or explicitly state to align by Column Name.

Therefore, if your issue is mis-alignment of the columns, which is probably the majority of the cause of this error, this answer is for you.

TLDR

using System.Data;
//...
myDataTable.Columns.Cast<DataColumn>().ToList().ForEach(x => 
    bulkCopy.ColumnMappings.Add(new SqlBulkCopyColumnMapping(x.ColumnName, x.ColumnName)));

This will take your existing DataTable, which you are attempt to insert into your created BulkCopy object, and it will just explicitly map name to name. Of course if, for some reason, you decided to name your DataTable Columns differently than your SQL Server Columns... that's on you.

gcc by default does not inline any functions when compiling without optimization enabled. I don't know about visual studio – deft_code

I checked this for Visual Studio 9 (15.00.30729.01) by compiling with /FAcs and looking at the assembly code: The compiler produced calls to member functions without optimization enabled in debug mode. Even if the function is marked with __forceinline, no inline runtime code is produced.

For Wamp 3.1.3 and Apache 2.4 I simply had to change 1 line in my httpd-vhosts.conf file.

1. Open httpd-vhosts.conf
2. Change "Require local" to "Require all granted"
3. Restart all services

I was then able to get to my apache server from other computers.

Give credit to this video: https://www.youtube.com/watch?v=Sy_f6wBGnjI

In the .h file:

class MyClass {
private:
    static int myValue;
};

In the .cpp file:

#include "myclass.h"

int MyClass::myValue = 0;

Similar to this question.

In essence it means that the method Bar will not modify non mutable member variables of Foo.

Do you have an idea about the expected output? For example, will this do?

>>> f  = FileItem("/foo/bar")
>>> magic(f)
'{"fname": "/foo/bar"}'

In that case you can merely call json.dumps(f.__dict__).

If you want more customized output then you will have to subclass JSONEncoder and implement your own custom serialization.

For a trivial example, see below.

>>> from json import JSONEncoder
>>> class MyEncoder(JSONEncoder):
        def default(self, o):
            return o.__dict__    

>>> MyEncoder().encode(f)
'{"fname": "/foo/bar"}'

Then you pass this class into the json.dumps() method as cls kwarg:

json.dumps(cls=MyEncoder)

If you also want to decode then you'll have to supply a custom object_hook to the JSONDecoder class. For example:

>>> def from_json(json_object):
        if 'fname' in json_object:
            return FileItem(json_object['fname'])
>>> f = JSONDecoder(object_hook = from_json).decode('{"fname": "/foo/bar"}')
>>> f
<__main__.FileItem object at 0x9337fac>
>>> 

https://android-developers.googleblog.com/2018/07/android-emulator-amd-processor-hyper-v.html

Important

If you have an AMD processor in your computer you need the following setup requirements to be in place: AMD Processor - Recommended: AMD® Ryzen™ processors Android Studio 3.2 Beta or higher - download via Android Studio Preview page Android Emulator v27.3.8+ - download via Android Studio SDK Manager x86 Android Virtual Device (AVD) - Create AVD Windows 10 with April 2018 Update Enable via Windows Features: "Windows Hypervisor Platform"

You have a misplaced closing brace before the return statement.

To solve this issue you need below three steps:

1. Set page encoding to UTF-8 like below:

   <%@ page language="java" pageEncoding="UTF-8"%>
   <%@ page contentType="text/html;charset=UTF-8" %>
   

2. Set filter in web.xml file as below:

   <filter>
       <filter-name>encodingFilter</filter-name>
       <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
       <init-param>
           <param-name>forceEncoding</param-name>
           <param-value>true</param-value>
       </init-param>
       <init-param>
           <param-name>encoding</param-name>
           <param-value>UTF-8</param-value>
       </init-param>
   </filter>
   <filter-mapping>
       <filter-name>encodingFilter</filter-name>
       <url-pattern>/*</url-pattern>
   </filter-mapping>
   

3. Set resource encoding to UTF-8, in case if you are writing any UTF-8 characters in Java code or JSP directly.

For Python 2.7, one can easily install using this

apt-get install python2.7-mysqldb

My problem solved with these :

1- Add this to your head :

<base href="/" />

2- Use this in app.config

$locationProvider.html5Mode(true);

The image should be embedded in the message as an attachment like this:

--boundary
Content-Type: image/png; name="sig.png"
Content-Disposition: inline; filename="sig.png"
Content-Transfer-Encoding: base64
Content-ID: <0123456789>
Content-Location: sig.png

base64 data

--boundary

And, the HTML part would reference the image like this:

<img src="cid:0123456789">

In some clients, src="sig.png" will work too.

You'd basically have a multipart/mixed, multipart/alternative, multipart/related message where the image attachment is in the related part.

Clients shouldn't block this image either as it isn't remote.

Or, here's a multipart/alternative, multipart/related example as an mbox file (save as windows newline format and put a blank line at the end. And, use no extension or the .mbs extension):

From 
From: [email protected]
To: [email protected]
Subject: HTML Messages with Embedded Pic in Signature
MIME-Version: 1.0
Content-Type: multipart/alternative; boundary="alternative_boundary"

This is a message with multiple parts in MIME format.

--alternative_boundary
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: 8bit

test

-- 
[Picture of a Christmas Tree]

--alternative_boundary
Content-Type: multipart/related; boundary="related_boundary"

--related_boundary
Content-Type: text/html; charset="utf-8"
Content-Transfer-Encoding: 8bit

<!DOCTYPE html>
<html>
    <head>
        <meta charset="utf-8">
        <title></title>
    </head>
    <body>
        <p>test</p>
        <p class="sig">-- <br><img src="cid:0123456789"></p>
    </body>
</html>

--related_boundary
Content-Type: image/png; name="sig.png"
Content-Disposition: inline; filename="sig.png"
Content-Location: sig.png
Content-ID: <0123456789>
Content-Transfer-Encoding: base64

R0lGODlhKAA8AIMLAAD//wAhAABKAABrAACUAAC1AADeAAD/AGsAAP8zM///AP//
///M//////+ZAMwAACH/C05FVFNDQVBFMi4wAwGgDwAh+QQJFAALACwAAAAAKAA8
AAME+3DJSWt1Nuu9Mf+g5IzK6IXopaxn6orlKy/jMc6vQRy4GySABK+HAiaIoQdg
uUSCBAKAYTBwbgyGA2AgsGqo0wMh7K0YEuj0sUxRoAfqB1vycBN21Ki8vOofBndR
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cHkgSG9saWRheXMgUGFnZQA7

--related_boundary--

--alternative_boundary--

You can import that into Sylpheed or Thunderbird (with the Import/Export tools extension) or Opera's built-in mail client. Then, in Opera for example, you can toggle "prefer plain text" to see the difference between the HTML and text version. Anyway, you'll see the HTML version makes use of the embedded pic in the sig.

For me none of the solution worked, but If i disconnect the phone from laptop and then run the build, it succeeds and then I connect and run on the phone. I still couldn't figure out the final fix.

if (UIDevice.current.identifierForVendor?.uuidString) != nil
        {
            self.lblDeviceIdValue.text = UIDevice.current.identifierForVendor?.uuidString
        }

I've implemented a super-lightweight library to detect the used device based on some of the given answers: https://github.com/schickling/Device.swift

It can be installed via Carthage and be used like this:

import Device

let deviceType = UIDevice.currentDevice().deviceType

switch deviceType {
case .IPhone6: print("Do stuff for iPhone6")
case .IPadMini: print("Do stuff for iPad mini")
default: print("Check other available cases of DeviceType")
}

What is the code of your button? If it's an a tag, then you could do this:

a {_x000D_
  padding: 5px;_x000D_
  background: green;_x000D_
}_x000D_
a:visited {_x000D_
  background: red;_x000D_
}

<a href="#">A button</a>

Or you could use jQuery to add a class on click, as below:

$("#button").click(function() {_x000D_
  $("#button").addClass('button-clicked');_x000D_
});

.button-clicked {_x000D_
  background: red;_x000D_
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>_x000D_
<button id="button">Button</button>

In my case, It was returning one output parameter and was not Returning any value.
So changed it to

param.Direction = ParameterDirection.Output;
command.ExecuteScalar();

and then it was throwing size error. so had to set the size as well

SqlParameter param = new SqlParameter("@Name",SqlDbType.NVarChar);
param.Size = 10;

You can also use the environment variable $window so that a global variable declare outside a controller can be checked inside a $watch

var initWatch = function($scope,$window){
    $scope.$watch(function(scope) { return $window.globalVar },
        function(newValue) {
            $scope.updateDisplayedVar(newValue);
    });
}

Becareful, the digest cycle is longer with these global values, so it is not always real-timed updated. I need to investigate on that digest time with this configuration.

If you need to use new keyword for a custom DTO in your select statement and need distinct elements, use new outside of new like as follows-

select distinct new com.org.AssetDTO(a.id, a.address, a.status) from Asset as a where ...

It's an unportable way to remove all data from the input buffer till the next newline. I've seen it used in cases like that:

char c;
char s[32];
puts("Type a char");
c=getchar();
fflush(stdin);
puts("Type a string");
fgets(s,32,stdin);

Without the fflush(), if you type a character, say "a", and the hit enter, the input buffer contains "a\n", the getchar() peeks the "a", but the "\n" remains in the buffer, so the next fgets() will find it and return an empty string without even waiting for user input.

However, note that this use of fflush() is unportable. I've tested right now on a Linux machine, and it does not work, for example.

 tools:replace="android:supportsRtl,android:allowBackup,icon,label">

You must create a migration, where you will specify default value for a new field, since you don't want it to be null. If null is not required, simply add null=True and create and run migration.

Convert.ToInt32(myobject);

This will handle the case where myobject is null and return 0, instead of throwing an exception.

In addition to existing good answers, note that Jackson 1.9 improved handling by adding "property unification", meaning that ALL annotations from difference parts of a logical property are combined, using (hopefully) intuitive precedence.

In Jackson 1.8 and prior, only field and getter annotations were used when determining what and how to serialize (writing JSON); and only and setter annotations for deserialization (reading JSON). This sometimes required addition of "extra" annotations, like annotating both getter and setter.

With Jackson 1.9 and above these extra annotations are NOT needed. It is still possible to add those; and if different names are used, one can create "split" properties (serializing using one name, deserializing using other): this is occasionally useful for sort of renaming.

Answer in short: (search your situation)

• 1.compareTo(0) (return: 1)
• 1.compareTo(1) (return: 0)
• 0.comapreTo(1) (return: -1)

$articles =DB::table('articles')
                ->join('categories','articles.id', '=', 'categories.id')
                ->join('user', 'articles.user_id', '=', 'user.id')
                ->select('articles.id','articles.title','articles.body','user.user_name', 'categories.category_name')
                ->get();
return view('myarticlesview',['articles'=>$articles]);

If you're after the 'name', why does your code snippet look like an attempt to get the 'characters'?

Anyways, this is no different from any other list- or array-like operation: you just need to iterate over the dataset and grab the information you're interested in. Retrieving all the names should look somewhat like this:

List<String> allNames = new ArrayList<String>();

JSONArray cast = jsonResponse.getJSONArray("abridged_cast");
for (int i=0; i<cast.length(); i++) {
    JSONObject actor = cast.getJSONObject(i);
    String name = actor.getString("name");
    allNames.add(name);
}

(typed straight into the browser, so not tested).

There are many ways you can import Text file to the current sheet. Here are three (including the method that you are using above)

1. Using a QueryTable
2. Open the text file in memory and then write to the current sheet and finally applying Text To Columns if required.
3. If you want to use the method that you are currently using then after you open the text file in a new workbook, simply copy it over to the current sheet using Cells.Copy

Using a QueryTable

Here is a simple macro that I recorded. Please amend it to suit your needs.

Sub Sample()
    With ActiveSheet.QueryTables.Add(Connection:= _
        "TEXT;C:\Sample.txt", Destination:=Range("$A$1") _
        )
        .Name = "Sample"
        .FieldNames = True
        .RowNumbers = False
        .FillAdjacentFormulas = False
        .PreserveFormatting = True
        .RefreshOnFileOpen = False
        .RefreshStyle = xlInsertDeleteCells
        .SavePassword = False
        .SaveData = True
        .AdjustColumnWidth = True
        .RefreshPeriod = 0
        .TextFilePromptOnRefresh = False
        .TextFilePlatform = 437
        .TextFileStartRow = 1
        .TextFileParseType = xlDelimited
        .TextFileTextQualifier = xlTextQualifierDoubleQuote
        .TextFileConsecutiveDelimiter = False
        .TextFileTabDelimiter = True
        .TextFileSemicolonDelimiter = False
        .TextFileCommaDelimiter = True
        .TextFileSpaceDelimiter = False
        .TextFileColumnDataTypes = Array(1, 1, 1, 1, 1, 1)
        .TextFileTrailingMinusNumbers = True
        .Refresh BackgroundQuery:=False
    End With
End Sub

Open the text file in memory

Sub Sample()
    Dim MyData As String, strData() As String

    Open "C:\Sample.txt" For Binary As #1
    MyData = Space$(LOF(1))
    Get #1, , MyData
    Close #1
    strData() = Split(MyData, vbCrLf)
End Sub

Once you have the data in the array you can export it to the current sheet.

Using the method that you are already using

Sub Sample()
    Dim wbI As Workbook, wbO As Workbook
    Dim wsI As Worksheet

    Set wbI = ThisWorkbook
    Set wsI = wbI.Sheets("Sheet1") '<~~ Sheet where you want to import

    Set wbO = Workbooks.Open("C:\Sample.txt")

    wbO.Sheets(1).Cells.Copy wsI.Cells

    wbO.Close SaveChanges:=False
End Sub

FOLLOWUP

You can use the Application.GetOpenFilename to choose the relevant file. For example...

Sub Sample()
    Dim Ret

    Ret = Application.GetOpenFilename("Prn Files (*.prn), *.prn")

    If Ret <> False Then
        With ActiveSheet.QueryTables.Add(Connection:= _
        "TEXT;" & Ret, Destination:=Range("$A$1"))

            '~~> Rest of the code

        End With
    End If
End Sub

Your concatenation syntax is correct.

Most likely the callback function isn't even being called. You can test that by putting an alert(), console.log() or debugger line in that function.

If it isn't being called, most likely there's an AJAX error. Look at chaining a .fail() handler after $.post() to find out what the error is, e.g.:

$.post('ajaxskeleton.php', {
    red: text       
}, function(){
    $('#part' + number).html(text);
}).fail(function(jqXHR, textStatus, errorThrown) {
    console.log(arguments);
});

If you don't want to use any external polyfill library, you can use this function provided by the Mozilla Developer Network website:

function utf8ArrayToString(aBytes) {_x000D_
    var sView = "";_x000D_
    _x000D_
    for (var nPart, nLen = aBytes.length, nIdx = 0; nIdx < nLen; nIdx++) {_x000D_
        nPart = aBytes[nIdx];_x000D_
        _x000D_
        sView += String.fromCharCode(_x000D_
            nPart > 251 && nPart < 254 && nIdx + 5 < nLen ? /* six bytes */_x000D_
                /* (nPart - 252 << 30) may be not so safe in ECMAScript! So...: */_x000D_
                (nPart - 252) * 1073741824 + (aBytes[++nIdx] - 128 << 24) + (aBytes[++nIdx] - 128 << 18) + (aBytes[++nIdx] - 128 << 12) + (aBytes[++nIdx] - 128 << 6) + aBytes[++nIdx] - 128_x000D_
            : nPart > 247 && nPart < 252 && nIdx + 4 < nLen ? /* five bytes */_x000D_
                (nPart - 248 << 24) + (aBytes[++nIdx] - 128 << 18) + (aBytes[++nIdx] - 128 << 12) + (aBytes[++nIdx] - 128 << 6) + aBytes[++nIdx] - 128_x000D_
            : nPart > 239 && nPart < 248 && nIdx + 3 < nLen ? /* four bytes */_x000D_
                (nPart - 240 << 18) + (aBytes[++nIdx] - 128 << 12) + (aBytes[++nIdx] - 128 << 6) + aBytes[++nIdx] - 128_x000D_
            : nPart > 223 && nPart < 240 && nIdx + 2 < nLen ? /* three bytes */_x000D_
                (nPart - 224 << 12) + (aBytes[++nIdx] - 128 << 6) + aBytes[++nIdx] - 128_x000D_
            : nPart > 191 && nPart < 224 && nIdx + 1 < nLen ? /* two bytes */_x000D_
                (nPart - 192 << 6) + aBytes[++nIdx] - 128_x000D_
            : /* nPart < 127 ? */ /* one byte */_x000D_
                nPart_x000D_
        );_x000D_
    }_x000D_
    _x000D_
    return sView;_x000D_
}_x000D_
_x000D_
let str = utf8ArrayToString([50,72,226,130,130,32,43,32,79,226,130,130,32,226,135,140,32,50,72,226,130,130,79]);_x000D_
_x000D_
// Must show 2H2 + O2 ? 2H2O_x000D_
console.log(str);

You're confusing the dereference operator * with pointer type annotation *. Basically, in C * means different things in different places:

• In a type, * means a pointer. int is an integer type, int* is a pointer to integer type
• As a prefix operator, * means 'dereference'. name is a pointer, *name is the result of dereferencing it (i.e. getting the value that the pointer points to)
• Of course, as an infix operator, * means 'multiply'.

An Alternative to AsyncTask is robospice. https://github.com/octo-online/robospice.

Some of the features of robospice.

1.executes asynchronously (in a background AndroidService) network requests (ex: REST requests using Spring Android).notify you app, on the UI thread, when result is ready.

2.is strongly typed ! You make your requests using POJOs and you get POJOs as request results.

3.enforce no constraints neither on POJOs used for requests nor on Activity classes you use in your projects.

4.caches results (in Json with both Jackson and Gson, or Xml, or flat text files, or binary files, even using ORM Lite).

5.notifies your activities (or any other context) of the result of the network request if and only if they are still alive

6.no memory leak at all, like Android Loaders, unlike Android AsyncTasks notifies your activities on their UI Thread.

7.uses a simple but robust exception handling model.

Samples to start with. https://github.com/octo-online/RoboSpice-samples.

A sample of robospice at https://play.google.com/store/apps/details?id=com.octo.android.robospice.motivations&feature=search_result.

If you can use extension methods, this will do it in a safe way regardless of string length:

public static string Right(this string text, int maxLength)
{
    if (string.IsNullOrEmpty(text) || maxLength <= 0)
    {
        return string.Empty;
    }

    if (maxLength < text.Length)
    {
        return text.Substring(text.Length - maxLength);
    }

    return text;
}

And to use it:

string sub = input.Right(5);

You confuse how browsers renders the elements when there are floating elements. If one block element is floating (your inner div in your case), other block elements will ignore it because browser removes floating elements from the normal flow of the web page. Then, because the floated div has been removed from the normal flow, the outside div is filled in, like the inner div isn't there. However, inline elements (images, links, text, blackquotes) will respect the boundaries of the floating element. If you introduce text in the outside div, the text will place arround de inner div.

In other words, block elements (headers, paragraphs, divs, etc) ignore floating elements and fill in, and inline elements (images, links, text, etc) respect boundaries of floating elements.

An fiddle example here

<body>
    <div style="float:right; background-color:blue;width:200px;min-height:400px;margin-right:20px">
           floating element
    </div>
    <h1 style="background-color:red;"> this is a big header</h1>
    <p style="background-color:green"> this is a parragraph with text and a big image. The text places arrounds the floating element. Because of the image is wider than space between paragrah and floating element places down the floating element. Try to make wider the viewport and see what happens :D
        <img src="http://2.bp.blogspot.com/_nKxzQGcCLtQ/TBYPAJ6xM4I/AAAAAAAAAC8/lG6XemOXosU/s1600/css.png">
     </p>

In my case, here this.selectedtestSubmitResultView is set with default value based on conditions and an variable testSubmitResultView must be one and same as testSubmitResultView. This indeed worked for me

<select class="form-control" name="testSubmitResultView"  [(ngModel)]="selectedtestSubmitResultView" (ngModelChange)="updatetestSubmitResultView($event)">
    <option *ngFor="let testSubmitResultView of testSubmitResultViewArry" [ngValue]="testSubmitResultView" >
        {{testSubmitResultView.testSubmitResultViewName}}
    </option>
</select>

For More Information,

testSubmitResultViewArry: Array<any> = [];
selectedtestSubmitResultView: string;
    
getTestSubmitResultViewList() {
    try {
        this.examService.getTestSubmitResultViewDetails().subscribe(response => {
            if (response != null && response !== undefined && response.length > 0) {
                response.forEach(x => {
                    if (x.isDeleted === false) {
                        this.testSubmitResultViewArry.push(x);
                    }
                    if (x.isDefault === true) {
                        this.selectedtestSubmitResultView = x;
                    }
                })
            }
        });
    } catch (ex) {
        console.log('Method: getTestSubmitResultViewList' + ex.message);
    }
}

Its dangerous, but it also doesn't make sense from a readability/code understandability standpoint.

What you have to ask is in this situation

int foo()
{
   Object o;
   // As foo exits, o's destructor is called
}

What should catch the exception? Should the caller of foo? Or should foo handle it? Why should the caller of foo care about some object internal to foo? There might be a way the language defines this to make sense, but its going to be unreadable and difficult to understand.

More importantly, where does the memory for Object go? Where does the memory the object owned go? Is it still allocated (ostensibly because the destructor failed)? Consider also the object was in stack space, so its obviously gone regardless.

Then consider this case

class Object
{ 
   Object2 obj2;
   Object3* obj3;
   virtual ~Object()
   {
       // What should happen when this fails? How would I actually destroy this?
       delete obj3;

       // obj 2 fails to destruct when it goes out of scope, now what!?!?
       // should the exception propogate? 
   } 
};

When the delete of obj3 fails, how do I actually delete in a way that is guaranteed to not fail? Its my memory dammit!

Now consider in the first code snippet Object goes away automatically because its on the stack while Object3 is on the heap. Since the pointer to Object3 is gone, you're kind of SOL. You have a memory leak.

Now one safe way to do things is the following

class Socket
{
    virtual ~Socket()
    {
      try 
      {
           Close();
      }
      catch (...) 
      {
          // Why did close fail? make sure it *really* does close here
      }
    } 

};

Also see this FAQ

I faced to this problem a lot when developing my company's website using WordPress. Finally I found that it happened because me and my colleague update the website at the same time as well as we installed and activated many plugins that we did not use them. The solution for me was we update the website in different time and deactivated and uninstalled those plugins.

Yes, constructors are allowed to throw exceptions.

However, be very wise in choosing what exceptions they should be - checked exceptions or unchecked. Unchecked exceptions are basically subclasses of RuntimeException.

In almost all cases (I could not come up with an exception to this case), you'll need to throw a checked exception. The reason being that unchecked exceptions (like NullPointerException) are normally due to programming errors (like not validating inputs sufficiently).

The advantage that a checked exception offers is that the programmer is forced to catch the exception in his instantiation code, and thereby realizes that there can be a failure to create the object instance. Of course, only a code review will catch the poor programming practice of swallowing an exception.

The best way to do this is using Behaviur Subject, here is an example:

var sub = new rxjs.BehaviorSubject([0, 1])
sub.next([2, 3])
setTimeout(() => {sub.next([4, 5])}, 1500)
sub.subscribe(a => console.log(a)) //2, 3 (current value) -> wait 2 sec -> 4, 5

Try this way

code

Glide.with(this)
    .load(R.drawable.thumbnail)
    .bitmapTransform(new CropCircleTransformation(this))
    .into(mProfile);

XML

<ImageView
  android:id="@+id/img_profile"
  android:layout_width="76dp"
  android:layout_height="76dp"
  android:background="@drawable/all_circle_white_bg"
  android:padding="1dp"/>

all_circle_white_bg.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
  <item>
    <shape android:shape="oval">
      <solid android:color="@android:color/white"/>
  </shape>
  </item>
</selector>

• I use this transformation library. -> https://github.com/wasabeef/glide-transformations
• Circle stroke width is ImageView's padding

You can use guide=FALSE in scale_..._...() to suppress legend.

For your example you should use scale_colour_continuous() because length is continuous variable (not discrete).

(p3 <- ggplot(mov, aes(year, rating, colour = length, shape = mpaa)) +
   scale_colour_continuous(guide = FALSE) +
   geom_point()
)

Or using function guides() you should set FALSE for that element/aesthetic that you don't want to appear as legend, for example, fill, shape, colour.

p0 <- ggplot(mov, aes(year, rating, colour = length, shape = mpaa)) +
  geom_point()    
p0+guides(colour=FALSE)

UPDATE

Both provided solutions work in new ggplot2 version 2.0.0 but movies dataset is no longer present in this library. Instead you have to use new package ggplot2movies to check those solutions.

library(ggplot2movies)
data(movies)
mov <- subset(movies, length != "")

No import is necessary as long as you declare both a.go and b.go to be in the same package. Then, you can use go run to recognize multiple files with:

$ go run a.go b.go

you can also

include Rails.application.routes.url_helpers

from inside a console sessions to access the helpers:

url_for controller: :users, only_path: true
users_path
# => '/users'

or

Rails.application.routes.url_helpers.users_path

Select multiple lines by clicking first line then holding shift and clicking last line. Then press:

CTRL+SHIFT+L

or on MAC: CMD+SHIFT+L (as per comments)

Alternatively you can select lines and go to SELECTION MENU >> SPLIT INTO LINES.

Now you can edit multiple lines, move cursors etc. for all selected lines.

There is some discussion in the comments of this blog post, about Twitter writing their own message queue, which may be interesting.

Steve did extensive load and stress testing of ActiveMQ, RabbitMQ, etc. ActiveMQ is actually quite slow (much slower than Kestrel), RabbitMQ consistently crashes with too many producers and too few consumers.

You probably won't have Twitter-like load initially however :)

What I did to solve the problem was:

git pull origin [branch]
git push origin [branch]

Also make sure that you are pointing to the right branch by running:

git remote set-url origin [url]

You can use a conditional expression:

x if x is not None else some_value

Example:

In [22]: x = None

In [23]: print x if x is not None else "foo"
foo

In [24]: x = "bar"

In [25]: print x if x is not None else "foo"
bar

CODE

$('#montant-total-prevu').on("change", function() {

var taille = $('#montant-total-prevu').val().length;

    if (taille > 9) {

//TODO

}

});

list objects are unhashable. you might want to turn them in to tuples though.

If you are hiding the status bar do this in onCreate(for Activity) and onCreateView/onViewCreated(for Fragment)

getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,WindowManager.LayoutParams.FLAG_FULLSCREEN);

And don't forget to clear the flag when exiting the activity or else you will have the full screen in your whole app after visiting this activity. To clear do this in your onDestroy(for Activity) or onDestroyView(for Fragment)

getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN)

Everyone here is focusing on downgrading @angular-devkit/build-angular to @angular 7.x versions for compatibility, but what they should be doing is to upgrade @angular/cli to angular 8 versions.

The problem is that the system cli is still stuck at an old version and isn't automatically updated by ng update (because it is outside the angular controlled project), so it is being left at an incompatible version when trying to access the angular libraries.

Downgrading @angular-devkit/build-angular just causes more incompatibilities.

npm i --global @angular/cli@latest

will fix the problem without breaking things elsewhere.

Change the submit button to:

<button type="submit" ng-disabled="loginform.$invalid">Login</button>

I recommend using justext library:

https://github.com/miso-belica/jusText

Usage: Python2:

import requests
import justext

response = requests.get("http://planet.python.org/")
paragraphs = justext.justext(response.content, justext.get_stoplist("English"))
for paragraph in paragraphs:
    print paragraph.text

Python3:

import requests
import justext

response = requests.get("http://bbc.com/")
paragraphs = justext.justext(response.content, justext.get_stoplist("English"))
for paragraph in paragraphs:
    print (paragraph.text)

Also make sure you test it both in firefox and IE. There are some nasty bugs with JS manipulated checkboxes.

If you want to do some serious work with arrays then you should use the numpy library. This will allow you for example to do vector addition and matrix multiplication, and for large arrays it is much faster than Python lists.

However, numpy requires that the size is predefined. Of course you can also store numpy arrays in a list, like:

import numpy as np
vec_list = [np.zeros((3,)) for _ in range(10)]
vec_list.append(np.array([1,2,3]))
vec_sum = vec_list[0] + vec_list[1]  # possible because we use numpy
print vec_list[10][2]  # prints 3

But since your numpy arrays are pretty small I guess there is some overhead compared to using a tuple. It all depends on your priorities.

See also this other question, which is pretty similar (apart from the variable size).

public function record_count() {
   return $this->db->count_all("tablename");
}

Here's the complete solution if you want to implement the wifi hotspot feature programmatically in your android app.

SOLUTION FOR API < 26:

For devices < API 26. There is no public API by Android for this purpose. So, in order to work with those APIs you've to access private APIs through reflection. It is not recommended but if you've no other options left, then here's a trick.

First of all, you need to have this permission in your manifest,

  <uses-permission  
  android:name="android.permission.WRITE_SETTINGS"  
  tools:ignore="ProtectedPermissions"/>

  <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
  <uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
  <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>

Here's how you can ask it on run-time:

 private boolean showWritePermissionSettings() {    
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M  
    && Build.VERSION.SDK_INT < Build.VERSION_CODES.O) { 
  if (!Settings.System.canWrite(this)) {    
    Log.v("DANG", " " + !Settings.System.canWrite(this));   
    Intent intent = new Intent(android.provider.Settings.ACTION_MANAGE_WRITE_SETTINGS); 
    intent.setData(Uri.parse("package:" + this.getPackageName()));  
    intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); 
    this.startActivity(intent); 
    return false;   
  } 
}   
return true; //Permission already given 
}

You can then access the setWifiEnabled method through reflection. This returns true if the action you asked for is being process correctly i.e. enabling/disabling hotspot.

     public boolean setWifiEnabled(WifiConfiguration wifiConfig, boolean enabled) { 
 WifiManager wifiManager;
try {   
  if (enabled) { //disables wifi hotspot if it's already enabled    
    wifiManager.setWifiEnabled(false);  
  } 

   Method method = wifiManager.getClass()   
      .getMethod("setWifiApEnabled", WifiConfiguration.class, boolean.class);   
  return (Boolean) method.invoke(wifiManager, wifiConfig, enabled); 
} catch (Exception e) { 
  Log.e(this.getClass().toString(), "", e); 
  return false; 
}   
}

You can also get the wificonfiguration of your hotspot through reflection. I've answered that method for this question on StackOverflow.

P.S: If you don't want to turn on hotspot programmatically, you can start this intent and open the wifi settings screen for user to turn it on manually.

SOLUTION FOR API >= 26:

Finally, android released an official API for versions >= Oreo. You can just use the public exposed API by android i.e. startLocalOnlyHotspot

It turns on a local hotspot without internet access. Which thus can be used to host a server or transfer files.

It requires Manifest.permission.CHANGE_WIFI_STATE and ACCESS_FINE_LOCATION permissions.

Here's a simple example of how you can turn on hotspot using this API.

private WifiManager wifiManager;
WifiConfiguration currentConfig;
WifiManager.LocalOnlyHotspotReservation hotspotReservation;

The method to turn on hotspot:

@RequiresApi(api = Build.VERSION_CODES.O)
public void turnOnHotspot() {

      wifiManager.startLocalOnlyHotspot(new WifiManager.LocalOnlyHotspotCallback() {

        @Override
        public void onStarted(WifiManager.LocalOnlyHotspotReservation reservation) {
          super.onStarted(reservation);
          hotspotReservation = reservation;
          currentConfig = hotspotReservation.getWifiConfiguration();

          Log.v("DANG", "THE PASSWORD IS: "
              + currentConfig.preSharedKey
              + " \n SSID is : "
              + currentConfig.SSID);

          hotspotDetailsDialog();

        }

        @Override
        public void onStopped() {
          super.onStopped();
          Log.v("DANG", "Local Hotspot Stopped");
        }

        @Override
        public void onFailed(int reason) {
          super.onFailed(reason);
          Log.v("DANG", "Local Hotspot failed to start");
        }
      }, new Handler());
    }
`

Here's how you can get details of the locally created hotspot

private void hotspotDetaisDialog()
{

    Log.v(TAG, context.getString(R.string.hotspot_details_message) + "\n" + context.getString(
              R.string.hotspot_ssid_label) + " " + currentConfig.SSID + "\n" + context.getString(
              R.string.hotspot_pass_label) + " " + currentConfig.preSharedKey);

}

If it throws, a security exception even after giving the required permissions then you should try enabling your location using GPS. Here's the solution.

Recently, I've developed a demo app called Spotserve. That turns on wifi hotspot for all devices with API>=15 and hosts a demo server on that hotspot. You can check that for more details. Hope this helps!

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

Simple example using a class :

class test {

    public function works($other_parameter, $function_as_parameter)
    {

        return $function_as_parameter($other_parameter) ;

    }

}

$obj = new test() ;

echo $obj->works('working well',function($other_parameter){


    return $other_parameter;


});

Try Amateras. It is a very good plugin for generating UML diagrams including class diagram.

If you want to save to a specific filename just ignore the provided extensions in Notepad/Word/whatever. Just set the filename.ext in " " and you're done. "Save as type" will be ignored.

You can do it with css first-letter! eg I wanted it for the Menu:

a {display:inline-block; text-transorm:uppercase;}
a::first-letter {font-size:50px;}

It only runs with block elements - therefore the inline-block!

There could be many reason why document.getElementById doesn't work

• You have an invalid ID

  ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods ("."). (resource: What are valid values for the id attribute in HTML?)

• you used some id that you already used as <meta> name in your header (e.g. copyright, author... ) it looks weird but happened to me: if your 're using IE take a look at (resource: http://www.phpied.com/getelementbyid-description-in-ie/)

• you're targeting an element inside a frame or iframe. In this case if the iframe loads a page within the same domain of the parent you should target the contentdocument before looking for the element (resource: Calling a specific id inside a frame)

• you're simply looking to an element when the node is not effectively loaded in the DOM, or maybe it's a simple misspelling

I doubt you used same ID twice or more: in that case document.getElementById should return at least the first element

You can use drawableTop (also drawableLeft, etc) for the image and set text below the image by adding the gravity left|center_vertical

<Button
            android:id="@+id/btn_video"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:layout_centerVertical="true"
            android:background="@null"
            android:drawableTop="@drawable/videos"
            android:gravity="left|center_vertical"
            android:onClick="onClickFragment"
            android:text="Videos"
            android:textColor="@color/white" />

Specify negative value to spread value. This works for me:

box-shadow: 0 2px 3px -1px rgba(0, 0, 0, 0.1);

Without Plugin, we can do this; bootstrap multi-level responsive menu for mobile phone with slide toggle for mobile:

$('[data-toggle="slide-collapse"]').on('click', function() {_x000D_
  $navMenuCont = $($(this).data('target'));_x000D_
  $navMenuCont.animate({_x000D_
    'width': 'toggle'_x000D_
  }, 350);_x000D_
  $(".menu-overlay").fadeIn(500);_x000D_
});_x000D_
_x000D_
$(".menu-overlay").click(function(event) {_x000D_
  $(".navbar-toggle").trigger("click");_x000D_
  $(".menu-overlay").fadeOut(500);_x000D_
});_x000D_
_x000D_
// if ($(window).width() >= 767) {_x000D_
//     $('ul.nav li.dropdown').hover(function() {_x000D_
//         $(this).find('>.dropdown-menu').stop(true, true).delay(200).fadeIn(500);_x000D_
//     }, function() {_x000D_
//         $(this).find('>.dropdown-menu').stop(true, true).delay(200).fadeOut(500);_x000D_
//     });_x000D_
_x000D_
//     $('ul.nav li.dropdown-submenu').hover(function() {_x000D_
//         $(this).find('>.dropdown-menu').stop(true, true).delay(200).fadeIn(500);_x000D_
//     }, function() {_x000D_
//         $(this).find('>.dropdown-menu').stop(true, true).delay(200).fadeOut(500);_x000D_
//     });_x000D_
_x000D_
_x000D_
//     $('ul.dropdown-menu [data-toggle=dropdown]').on('click', function(event) {_x000D_
//         event.preventDefault();_x000D_
//         event.stopPropagation();_x000D_
//         $(this).parent().siblings().removeClass('open');_x000D_
//         $(this).parent().toggleClass('open');_x000D_
//         $('b', this).toggleClass("caret caret-up");_x000D_
//     });_x000D_
// }_x000D_
_x000D_
// $(window).resize(function() {_x000D_
//     if( $(this).width() >= 767) {_x000D_
//         $('ul.nav li.dropdown').hover(function() {_x000D_
//             $(this).find('>.dropdown-menu').stop(true, true).delay(200).fadeIn(500);_x000D_
//         }, function() {_x000D_
//             $(this).find('>.dropdown-menu').stop(true, true).delay(200).fadeOut(500);_x000D_
//         });_x000D_
//     }_x000D_
// });_x000D_
_x000D_
var windowWidth = $(window).width();_x000D_
if (windowWidth > 767) {_x000D_
  // $('ul.dropdown-menu [data-toggle=dropdown]').on('click', function(event) {_x000D_
  //     event.preventDefault();_x000D_
  //     event.stopPropagation();_x000D_
  //     $(this).parent().siblings().removeClass('open');_x000D_
  //     $(this).parent().toggleClass('open');_x000D_
  //     $('b', this).toggleClass("caret caret-up");_x000D_
  // });_x000D_
_x000D_
  $('ul.nav li.dropdown').hover(function() {_x000D_
    $(this).find('>.dropdown-menu').stop(true, true).delay(200).fadeIn(500);_x000D_
  }, function() {_x000D_
    $(this).find('>.dropdown-menu').stop(true, true).delay(200).fadeOut(500);_x000D_
  });_x000D_
_x000D_
  $('ul.nav li.dropdown-submenu').hover(function() {_x000D_
    $(this).find('>.dropdown-menu').stop(true, true).delay(200).fadeIn(500);_x000D_
  }, function() {_x000D_
    $(this).find('>.dropdown-menu').stop(true, true).delay(200).fadeOut(500);_x000D_
  });_x000D_
_x000D_
_x000D_
  $('ul.dropdown-menu [data-toggle=dropdown]').on('click', function(event) {_x000D_
    event.preventDefault();_x000D_
    event.stopPropagation();_x000D_
    $(this).parent().siblings().removeClass('open');_x000D_
    $(this).parent().toggleClass('open');_x000D_
    // $('b', this).toggleClass("caret caret-up");_x000D_
  });_x000D_
}_x000D_
if (windowWidth < 767) {_x000D_
  $('ul.dropdown-menu [data-toggle=dropdown]').on('click', function(event) {_x000D_
    event.preventDefault();_x000D_
    event.stopPropagation();_x000D_
    $(this).parent().siblings().removeClass('open');_x000D_
    $(this).parent().toggleClass('open');_x000D_
    // $('b', this).toggleClass("caret caret-up");_x000D_
  });_x000D_
}_x000D_
_x000D_
// $('.dropdown a').append('Some text');

@media only screen and (max-width: 767px) {_x000D_
  #slide-navbar-collapse {_x000D_
    position: fixed;_x000D_
    top: 0;_x000D_
    left: 15px;_x000D_
    z-index: 999999;_x000D_
    width: 280px;_x000D_
    height: 100%;_x000D_
    background-color: #f9f9f9;_x000D_
    overflow: auto;_x000D_
    bottom: 0;_x000D_
    max-height: inherit;_x000D_
  }_x000D_
  .menu-overlay {_x000D_
    display: none;_x000D_
    background-color: #000;_x000D_
    bottom: 0;_x000D_
    left: 0;_x000D_
    opacity: 0.5;_x000D_
    filter: alpha(opacity=50);_x000D_
    /* IE7 & 8 */_x000D_
    position: fixed;_x000D_
    right: 0;_x000D_
    top: 0;_x000D_
    z-index: 49;_x000D_
  }_x000D_
  .navbar-fixed-top {_x000D_
    position: initial !important;_x000D_
  }_x000D_
  .navbar-nav .open .dropdown-menu {_x000D_
    background-color: #ffffff;_x000D_
  }_x000D_
  ul.nav.navbar-nav li {_x000D_
    border-bottom: 1px solid #eee;_x000D_
  }_x000D_
  .navbar-nav .open .dropdown-menu .dropdown-header,_x000D_
  .navbar-nav .open .dropdown-menu>li>a {_x000D_
    padding: 10px 20px 10px 15px;_x000D_
  }_x000D_
}_x000D_
_x000D_
.dropdown-submenu {_x000D_
  position: relative;_x000D_
}_x000D_
_x000D_
.dropdown-submenu .dropdown-menu {_x000D_
  top: 0;_x000D_
  left: 100%;_x000D_
  margin-top: -1px;_x000D_
}_x000D_
_x000D_
li.dropdown a {_x000D_
  display: block;_x000D_
  position: relative;_x000D_
}_x000D_
_x000D_
li.dropdown>a:before {_x000D_
  content: "\f107";_x000D_
  font-family: FontAwesome;_x000D_
  position: absolute;_x000D_
  right: 6px;_x000D_
  top: 5px;_x000D_
  font-size: 15px;_x000D_
}_x000D_
_x000D_
li.dropdown-submenu>a:before {_x000D_
  content: "\f107";_x000D_
  font-family: FontAwesome;_x000D_
  position: absolute;_x000D_
  right: 6px;_x000D_
  top: 10px;_x000D_
  font-size: 15px;_x000D_
}_x000D_
_x000D_
ul.dropdown-menu li {_x000D_
  border-bottom: 1px solid #eee;_x000D_
}_x000D_
_x000D_
.dropdown-menu {_x000D_
  padding: 0px;_x000D_
  margin: 0px;_x000D_
  border: none !important;_x000D_
}_x000D_
_x000D_
li.dropdown.open {_x000D_
  border-bottom: 0px !important;_x000D_
}_x000D_
_x000D_
li.dropdown-submenu.open {_x000D_
  border-bottom: 0px !important;_x000D_
}_x000D_
_x000D_
li.dropdown-submenu>a {_x000D_
  font-weight: bold !important;_x000D_
}_x000D_
_x000D_
li.dropdown>a {_x000D_
  font-weight: bold !important;_x000D_
}_x000D_
_x000D_
.navbar-default .navbar-nav>li>a {_x000D_
  font-weight: bold !important;_x000D_
  padding: 10px 20px 10px 15px;_x000D_
}_x000D_
_x000D_
li.dropdown>a:before {_x000D_
  content: "\f107";_x000D_
  font-family: FontAwesome;_x000D_
  position: absolute;_x000D_
  right: 6px;_x000D_
  top: 9px;_x000D_
  font-size: 15px;_x000D_
}_x000D_
_x000D_
@media (min-width: 767px) {_x000D_
  li.dropdown-submenu>a {_x000D_
    padding: 10px 20px 10px 15px;_x000D_
  }_x000D_
  li.dropdown>a:before {_x000D_
    content: "\f107";_x000D_
    font-family: FontAwesome;_x000D_
    position: absolute;_x000D_
    right: 3px;_x000D_
    top: 12px;_x000D_
    font-size: 15px;_x000D_
  }_x000D_
}

<!DOCTYPE html>_x000D_
<html lang="en">_x000D_
_x000D_
  <head>_x000D_
    <title>Bootstrap Example</title>_x000D_
    <meta charset="utf-8">_x000D_
    <meta name="viewport" content="width=device-width, initial-scale=1">_x000D_
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">_x000D_
    <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>_x000D_
    <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>_x000D_
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/4.7.0/css/font-awesome.min.css">_x000D_
_x000D_
  </head>_x000D_
_x000D_
  <body>_x000D_
    <nav class="navbar navbar-default navbar-fixed-top">_x000D_
      <div class="container-fluid">_x000D_
        <!-- Brand and toggle get grouped for better mobile display -->_x000D_
        <div class="navbar-header">_x000D_
          <button type="button" class="navbar-toggle collapsed" data-toggle="slide-collapse" data-target="#slide-navbar-collapse" aria-expanded="false">_x000D_
                    <span class="sr-only">Toggle navigation</span>_x000D_
                    <span class="icon-bar"></span>_x000D_
                    <span class="icon-bar"></span>_x000D_
                    <span class="icon-bar"></span>_x000D_
                </button>_x000D_
          <a class="navbar-brand" href="#">Brand</a>_x000D_
        </div>_x000D_
        <!-- Collect the nav links, forms, and other content for toggling -->_x000D_
        <div class="collapse navbar-collapse" id="slide-navbar-collapse">_x000D_
          <ul class="nav navbar-nav">_x000D_
            <li><a href="#">Link <span class="sr-only">(current)</span></a></li>_x000D_
            <li><a href="#">Link</a></li>_x000D_
            <li class="dropdown">_x000D_
              <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown</span></a>_x000D_
              <ul class="dropdown-menu">_x000D_
                <li><a href="#">Action</a></li>_x000D_
                <li><a href="#">Another action</a></li>_x000D_
                <li><a href="#">Something else here</a></li>_x000D_
                <li><a href="#">Separated link</a></li>_x000D_
                <li><a href="#">One more separated link</a></li>_x000D_
                <li class="dropdown-submenu">_x000D_
                  <a href="#" data-toggle="dropdown">SubMenu 1</span></a>_x000D_
                  <ul class="dropdown-menu">_x000D_
                    <li><a href="#">3rd level dropdown</a></li>_x000D_
                    <li><a href="#">3rd level dropdown</a></li>_x000D_
                    <li><a href="#">3rd level dropdown</a></li>_x000D_
                    <li><a href="#">3rd level dropdown</a></li>_x000D_
                    <li><a href="#">3rd level dropdown</a></li>_x000D_
                    <li class="dropdown-submenu">_x000D_
                      <a href="#" data-toggle="dropdown">SubMenu 2</span></a>_x000D_
                      <ul class="dropdown-menu">_x000D_
                        <li><a href="#">3rd level dropdown</a></li>_x000D_
                        <li><a href="#">3rd level dropdown</a></li>_x000D_
                        <li><a href="#">3rd level dropdown</a></li>_x000D_
                        <li><a href="#">3rd level dropdown</a></li>_x000D_
                        <li><a href="#">3rd level dropdown</a></li>_x000D_
                      </ul>_x000D_
                    </li>_x000D_
                  </ul>_x000D_
                </li>_x000D_
              </ul>_x000D_
            </li>_x000D_
            <li><a href="#">Link</a></li>_x000D_
          </ul>_x000D_
          <ul class="nav navbar-nav navbar-right">_x000D_
            <li><a href="#">Link</a></li>_x000D_
            <li class="dropdown">_x000D_
              <a href="#" class="dropdown-toggle" data-toggle="dropdown" role="button" aria-haspopup="true" aria-expanded="false">Dropdown</span></a>_x000D_
              <ul class="dropdown-menu">_x000D_
                <li><a href="#">Action</a></li>_x000D_
                <li><a href="#">Another action</a></li>_x000D_
                <li><a href="#">Something else here</a></li>_x000D_
                <li><a href="#">Separated link</a></li>_x000D_
              </ul>_x000D_
            </li>_x000D_
          </ul>_x000D_
        </div>_x000D_
        <!-- /.navbar-collapse -->_x000D_
      </div>_x000D_
      <!-- /.container-fluid -->_x000D_
    </nav>_x000D_
    <div class="menu-overlay"></div>_x000D_
    <div class="col-md-12">_x000D_
      <h1>Resize the window to see the result</h1>_x000D_
      <p>_x000D_
        Lorem ipsum dolor sit amet, consectetur adipiscing elit. Phasellus non bibendum sem, et sodales massa. Proin quis velit vel nisl imperdiet rhoncus vitae id tortor. Praesent blandit tellus in enim sollicitudin rutrum. Integer ullamcorper, augue ut tristique_x000D_
        ultrices, augue magna placerat ex, ac varius mauris ante sed dui. Fusce ullamcorper vulputate magna, a malesuada nunc pellentesque sit amet. Donec posuere placerat erat, sed ornare enim aliquam vitae. Nullam pellentesque auctor augue, vel commodo_x000D_
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Reference JS fiddle

With jQuery, you can do it like this -

var dataArray = $.map(dataObject,function(v){
     return v;
});

Demo

You have to change the extends Activity to extends AppCompactActivity then try set and getSupportActionBar()

mysqladmin is not a SQL statement. It's a little helper utility program you'll find on your MySQL server... and "flush-hosts" is one of the things it can do. ("status" and "shutdown" are a couple of other things that come to mind).

You type that command from a shell prompt.

Alternately, from your query browser (such as phpMyAdmin), the SQL statement you're looking for is simply this:

FLUSH HOSTS;

http://dev.mysql.com/doc/refman/5.6/en/flush.html

http://dev.mysql.com/doc/refman/5.6/en/mysqladmin.html