Questions Tagged with #Post build

Post Build exited with code 1

I have a project with a post build event: copy $(ProjectDir)DbVerse\Lunaverse.DbVerse.*.exe $(TargetDir) It works fine every time on my machine. I have a new developer who always gets the "exited..

Making a Sass mixin with optional arguments

I am writing a mixin like this: @mixin box-shadow($top, $left, $blur, $color, $inset:"") { -webkit-box-shadow: $top $left $blur $color $inset; -moz-box-shadow: $top $left $blur $color $inset;..

Convert timestamp to readable date/time PHP

I have a timestamp stored in a session (1299446702). How can I convert that to a readable date/time in PHP? I have tried srttotime, etc. to no avail...

PHP Error: Cannot use object of type stdClass as array (array and object issues)

I was trying to copy this code: <?php foreach ($products as $product) { $id = $product['id']; $name = $product['name']; $description = $product['description']; $pri..

StringStream in C#

I want to be able to build a string from a class that I create that derives from Stream. Specifically, I want to be able to write code like this: void Print(Stream stream) { // Some code that ope..

jQuery How do you get an image to fade in on load?

All I want to do is fade my logo in on the page loading. I am new today to jQuery and I can't managed to fadeIn on load please help. Sorry if this question has already been answered I have had a look ..

How to fix Error: laravel.log could not be opened?

I'm pretty new at laravel, in fact and I'm trying to create my very first project. for some reason I keep getting this error (I haven't even started coding yet) Error in exception handler: The stream..

ssh-copy-id no identities found error

I have few client systems where I need to push the ssh key and login from my server without authentication prompts. First, on the server, I created ssh key as below which was successful ]# ssh-keyg..

Merge two json/javascript arrays in to one array

I have two json arrays like var json1 = [{id:1, name: 'xxx' ...}] var json2 = [{id:2, name: 'xyz' ...}] I want them merge in to single arrays var finalObj = [{id:1, name: 'xxx' ...},{id:2, name: '..

How can I get a resource content from a static context?

I want to read strings from an xml file before I do much of anything else like setText on widgets, so how can I do that without an activity object to call getResources() on?..

How to use Git Revert

How is git revert used? This might sound like a duplicate question but when people ask it, the response is often, use git reset as per Revert to a commit by a SHA hash in Git? Then when someone asks..

Checking if output of a command contains a certain string in a shell script

I'm writing a shell script, and I'm trying to check if the output of a command contains a certain string. I'm thinking I probably have to use grep, but I'm not sure how. Does anyone know?..

How do you generate a random double uniformly distributed between 0 and 1 from C++?

How do you generate a random double uniformly distributed between 0 and 1 from C++? Of course I can think of some answers, but I'd like to know what the standard practice is, to have: Good standard..

Simple way to read single record from MySQL

What's the best way with PHP to read a single record from a MySQL database? E.g.: SELECT id FROM games I was trying to find an answer in the old questions, but had no luck...

Rails formatting date

I am posting a date to an API and the required format is as follows: 2014-12-01T01:29:18 I can get the date from the model like so: Model.created_at.to_s That returns: 2014-12-01 01:29:18 -0500..

Format string to a 3 digit number

Instead of doing this, I want to make use of string.format() to accomplish the same result: if (myString.Length < 3) { myString = "00" + 3; } ..

How can I define an array of objects?

I am creating an array of objects in TypeScript: userTestStatus xxxx = { "0": { "id": 0, "name": "Available" }, "1": { "id": 1, "name": "Ready" }, "2": { "id": 2, "name": "Started" } };..

This action could not be completed. Try Again (-22421)

I am trying to upload an Apple TV App to the App Store for testing purposes, but I got the issue: This Action could not be completed. Try Again (-22421) as in the below image: So what can I do?..

Merging 2 branches together in GIT

I've only just started to use GIT and think its wonderful, however I'm a little confused over what the merge command does. Let us say we have a working project in the branch "A". I go home and make ..

AngularJS Error: Cross origin requests are only supported for protocol schemes: http, data, chrome-extension, https

I have three files of a very simple angular js application index.html <!DOCTYPE html> <html ng-app="gemStore"> <head> <script src='https://ajax.googleapis.com/ajax/libs/an..

Remove specific commit

I was working with a friend on a project, and he edited a bunch of files that shouldn't have been edited. Somehow I merged his work into mine, either when I pulled it, or when I tried to just pick the..

how to auto select an input field and the text in it on page load

Upon page load I want to move the cursor to a particular field. No problem. But I also need to select and highlight the default value that is placed in that text field...

How to deal with SQL column names that look like SQL keywords?

One of my columns is called from. I can't change the name because I didn't make it. Am I allowed to do something like SELECT from FROM TableName or is there a special syntax to avoid the SQL Server be..

How to print a number with commas as thousands separators in JavaScript

I am trying to print an integer in JavaScript with commas as thousands separators. For example, I want to show the number 1234567 as "1,234,567". How would I go about doing this? Here is how I am do..

how to clear the screen in python

Possible Duplicates: clear terminal in python How to clear python interpreter console? I'm trying to write a program in Python but I don't know how to clear the screen. I use both Windows..

HTML5 Dynamically create Canvas

Hi there I have a question about dynamically creating a canvas using javascript. I create a canvas like this: var canvas = document.createElement('canvas'); canvas.id = "CursorLayer"; canvas.wid..

Retrieving a random item from ArrayList

I'm learning Java and I'm having a problem with ArrayList and Random. I have an object called catalogue which has an array list of objects created from another class called item. I need a method in ..

How to find which columns contain any NaN value in Pandas dataframe

Given a pandas dataframe containing possible NaN values scattered here and there: Question: How do I determine which columns contain NaN values? In particular, can I get a list of the column names co..

How can I output the value of an enum class in C++11

How can I output the value of an enum class in C++11? In C++03 it's like this: #include <iostream> using namespace std; enum A { a = 1, b = 69, c= 666 }; int main () { A a = A::c; ..

c# datatable insert column at position 0

does anyone know the best way to insert a column in a datatable at position 0?..

How to call Stored Procedures with EntityFramework?

I have generated an EF4 Model from a MySQL database and I have included both StoredProcedures and Tables. I know how to make regular instert/update/fetch/delete operations against the EF but I can't ..

Saving lists to txt file

I'm trying to save a list to a text file. This is my code: public void button13_Click(object sender, EventArgs e) { TextWriter tw = new StreamWriter("SavedLists.txt"); tw.WriteLine(Lists.ve..

SQLite Reset Primary Key Field

I have a few tables in SQLite and I am trying to figure out how to reset the auto-incremented database field. I read that DELETE FROM tablename should delete everything and reset the auto-incrememen..

Changing fonts in ggplot2

Once upon a time, I changed my ggplot2 font using using windowsFonts(Times=windowsFont("TT Times New Roman")) to change it. Now I can't get it off of this. In trying to set family="" in ggplot2 them..

Pass data to layout that are common to all pages

I have a website which have a layout page. However this layout page have data which all pages model must provide such page title, page name and the location where we actually are for an HTML helper I ..

How to set DataGrid's row Background, based on a property value using data bindings

In my XAML code, I want to set the Background color of each row, based on a value of the object in one specific row. I have an ObservableCollection of z, and each of the z has a property called State...

VBScript How can I Format Date?

I want the date to look like MM-DD-YYYY instead of MM/DD/YYYY...

Can someone explain Microsoft Unity?

I've been reading the articles on MSDN about Unity (Dependency Injection, Inversion of Control), but I think I need it explained in simple terms (or simple examples). I'm familiar with the MVPC patter..

How can I initialize an ArrayList with all zeroes in Java?

It looks like arraylist is not doing its job for presizing: // presizing ArrayList<Integer> list = new ArrayList<Integer>(60); Afterwards when I try to access it: list.get(5) Inst..

How do I rotate the Android emulator display?

How can I rotate the Android emulator display to see it in landscape mode?..

Using CSS td width absolute, position

Please see this JSFIDDLE td.rhead { width: 300px; } Why doesn't the CSS width work? <table> <thead> <tr> <td class="rhead">need 300px</td> <td colspan="7">Week ..

CSS On hover show another element

I want to use CSS to show div id='b' when I hover over div id='a', but I cannot figure out how to do it because the div 'a' is inside another div that div 'b' is not in. <div id='content'> ..

What is a predicate in c#?

I am very new to using predicates and just learned how to write: Predicate<int> pre = delegate(int a){ a %2 == 0 }; What will the predicate return, and how is it useful when programming?..

Default value of function parameter

1. int Add (int a, int b = 3); int Add (int a, int b) { } 2. int Add (int a, int b); int Add (int a, int b = 3) { } Both work; which is the standard way and why?..

Your project contains error(s), please fix it before running it

I am developing a simple Android application. But when I run Eclipse, it shows the following error: Your project contains error(s), please fix it before running it. I can't find any error in my ..

ln (Natural Log) in Python

In this assignment I have completed all the problems except this one. I have to create a python script to solve an equation (screenshot). Unfortunately, in my research all over the internet I cannot ..

How to find index of list item in Swift?

I am trying to find an item index by searching a list. Does anybody know how to do that? I see there is list.StartIndex and list.EndIndex but I want something like python's list.index("text")...

How can I rollback a git repository to a specific commit?

My repo has 100 commits in it right now. I need to rollback the repository to commit 80, and remove all the subsequent ones. Why? This repo is supposed to be for merging from miscellaneous users. A bu..

Bash: infinite sleep (infinite blocking)

I use startx to start X which will evaluate my .xinitrc. In my .xinitrc I start my window manager using /usr/bin/mywm. Now, if I kill my WM (in order to f.e. test some other WM), X will terminate too ..

How to get current working directory using vba?

I am using MS Excel 2010 and trying to get the current directory using the below code, path = ActiveWorkbook.Path But ActiveWorkbook.Path returns blank...

Should I use the Reply-To header when sending emails as a service to others?

Suppose we have an application that acts as a middleman, allowing Company A to send reports to their customers. Company A --> Company B (me)--> Company A's customers After getting the report we ..

Bootstrap tooltips not working

I'm going mad here. I've got the following HTML: <a href="#" rel="tooltip" title="A nice tooltip">test</a> And the Bootstrap style tooltip refuses to display, just a normal tooltip. ..

SQL MAX of multiple columns?

How do you return 1 value per row of the max of several columns: TableName [Number, Date1, Date2, Date3, Cost] I need to return something like this: [Number, Most_Recent_Date, Cost] Query?..

How to scroll to the bottom of a UITableView on the iPhone before the view appears

I have a UITableView that is populated with cells of a variable height. I would like the table to scroll to the bottom when the view is pushed into view. I currently have the following function NSIn..

How can I get the first two digits of a number?

I want to check the first two digits of a number in Python. Something like this: for i in range(1000): if(first two digits of i == 15): print("15") elif(first two digits of i == 16)..

How can I extract the folder path from file path in Python?

I would like to get just the folder path from the full path to a file. For example T:\Data\DBDesign\DBDesign_93_v141b.mdb and I would like to get just T:\Data\DBDesign (excluding the \DBDesign_93_v141..

How to convert seconds to HH:mm:ss in moment.js

How can I convert seconds to HH:mm:ss? At the moment I am using the function below render: function (data){ return new Date(data*1000).toTimeString().replace(/.*(\d{2}:\d{2}:\d{2}).*/, "$1");; ..

Are PHP short tags acceptable to use?

Here's the information according to the official documentation: There are four different pairs of opening and closing tags which can be used in PHP. Two of those, <?php ?> and <scri..

How does a hash table work?

I'm looking for an explanation of how a hash table works - in plain English for a simpleton like me! For example, I know it takes the key, calculates the hash (I am looking for an explanation how) a..

Is there an upper bound to BigInteger?

Possible Duplicate: What does BigInteger having no limit mean? The Javadoc for BigInteger does not define any maximum or minimum. However, it does say: (emphasis added) Immutable arbi..

How to get the pure text without HTML element using JavaScript?

I have the 1 button and some text in my HTML like the following: function get_content(){ // I don't know how to do in here!!! } <input type="button" onclick="get_content()" value="Get Content"..

Remove style attribute from HTML tags

I'm not too good with regular expressions, but with PHP I'm wanting to remove the style attribute from HTML tags in a string that's coming back from TinyMCE. So change <p style="...">Text</p..

Get the first element of an array

I have an array: array( 4 => 'apple', 7 => 'orange', 13 => 'plum' ) I would like to get the first element of this array. Expected result: string apple One requirement: it cannot be don..

'react-scripts' is not recognized as an internal or external command

I've got a maven project, within which is JavaScript project cloned as a git sub-module. So the directory structure looks like mavenapp/src/main/javascript/[npm project files] Inside my package.json, ..

How do I enable index downloads in Eclipse for Maven dependency search?

I am using Eclipse Luna with the m2e plug-in. When I search for dependencies, I get the following warning (also see the screenshot after): Index downloads are disabled, search result may be incomp..

How to call one shell script from another shell script?

I have two shell scripts, a.sh and b.sh. How can I call b.sh from within the shell script a.sh?..

CURL ERROR: Recv failure: Connection reset by peer - PHP Curl

I'm having this strange error, CURL ERROR: Recv failure: Connection reset by peer This is how it happens, if I did not connect to the server and all of a sudden trying to connect to the server via CU..

Executing Javascript from Python

I have HTML webpages that I am crawling using xpath. The etree.tostring of a certain node gives me this string: <script> <!-- function escramble_758(){ var a,b,c a='+1 ' b='84-' a+='..

UITableView - change section header color

How can I change color of a section header in UITableView? EDIT: The answer provided by DJ-S should be considered for iOS 6 and above. The accepted answer is out of date...

Finding an element in an array in Java

Does Java have a built-function to allow me to linearly search for an element in an array or do I have to just use a for loop?..

How can you change Network settings (IP Address, DNS, WINS, Host Name) with code in C#

I am developing a wizard for a machine that is to be used as a backup of other machines. When it replaces an existing machine, it needs to set its IP address, DNS, WINS, and host name to match the ma..

Which passwordchar shows a black dot (•) in a winforms textbox?

Short question here: In .Net 4.0 Winforms, how do I use the PasswordChar property of a Textbox to show a common black dot as a character? Is there perhaps some font I can use that has this as a chara..

Is there a better way to compare dictionary values

I am currently using the following function to compare dictionary values. Is there a faster or better way to do it? match = True for keys in dict1: if dict1[keys] != dict2[keys]: match = ..

Android Fragment no view found for ID?

I have a fragment I am trying to add into a view. FragmentManager fragMgr=getSupportFragmentManager(); feed_parser_activity content = (feed_parser_activity)fragMgr ..

Verilog generate/genvar in an always block

I'm trying to get a module to pass the syntax check in ISE 12.4, and it gives me an error I don't understand. First a code snippet: parameter ROWBITS = 4; reg [ROWBITS-1:0] temp; genvar c; generate..

Passing variable number of arguments around

Say I have a C function which takes a variable number of arguments: How can I call another function which expects a variable number of arguments from inside of it, passing all the arguments that got i..

Array inside a JavaScript Object?

I've tried looking to see if this is possible, but I can't find my answer. I'm trying to get the following to work: var defaults = { 'background-color': '#000', color: '#fff', weekdays: {['sun','..

Change / Add syntax highlighting for a language in Sublime 2/3

I want to change / add syntax highlighting for a language in Sublime 2/3. For example I want the keyword this colored in JavaScript. How can I do that? I know that there is a preference JavaScript ..

CSS, Images, JS not loading in IIS

My all applications were working fine but suddenly all sites under IIS are not loading css, images, scripts. It redirect to login page. If i login it works fine. e.g. mysite.com/Account/LogOn?Return..

Seeing the underlying SQL in the Spring JdbcTemplate?

I am learning about the wonders of JdbcTemplate and NamedParameterJdbcTemplate. I like what I see, but is there any easy way to see the underlying SQL that it ends up executing? I'd like to see this f..

Correct way to find max in an Array in Swift

I've so far got a simple (but potentially expensive) way: var myMax = sort(myArray,>)[0] And how I was taught to do it at school: var myMax = 0 for i in 0..myArray.count { if (myArray[i] &g..

Where to find "Microsoft.VisualStudio.TestTools.UnitTesting" missing dll?

I am getting following error in my C# visual studio project: The type or namespace name 'VisualStudio' does not exist in the namespace 'Microsoft' (are you missing an assembly reference?) I also..

Convert a matrix to a 1 dimensional array

I have a matrix (32X48). How can I convert the matrix into a single dimensional array?..

UndefinedMetricWarning: F-score is ill-defined and being set to 0.0 in labels with no predicted samples

I'm getting this weird error: classification.py:1113: UndefinedMetricWarning: F-score is ill-defined and being set to 0.0 in labels with no predicted samples. 'precision', 'predicted', average, warn_..

Convert a numpy.ndarray to string(or bytes) and convert it back to numpy.ndarray

I'm having a little trouble here, I'm trying to convert a numpy.ndarray to string, I've already done that like this: randomArray.tostring() It works, but I'm wondering if I can transform it back t..

How to prevent a double-click using jQuery?

I have a button as such: <input type="submit" id="submit" value="Save" /> Within jQuery I am using the following, but it still allows for double-clicks: <script type="text/javascript">..

Git copy file preserving history

I have a somewhat confusing question in Git. Lets say, I have a file dir1/A.txt committed and git preserves a history of commits Now I need to copy the file into dir2/A.txt (not move, but copy). I kno..

What is the best way to modify a list in a 'foreach' loop?

A new feature in C# / .NET 4.0 is that you can change your enumerable in a foreach without getting the exception. See Paul Jackson's blog entry An Interesting Side-Effect of Concurrency: Removing Item..

Class has been compiled by a more recent version of the Java Environment

While running selenium script, I am getting the following error message in Eclipse console: Class has been compiled by a more recent version of the Java Environment (class file version 53.0), this..

Why does visual studio 2012 not find my tests?

I have some tests that use the built in Microsoft.VisualStudio.TestTools.UnitTesting, but can not get them to run. I am using visual studio 2012 ultimate. I have a solution of two projects; One has ..

How to add data to DataGridView

I'm having a Structure like X={ID="1", Name="XX", ID="2", Name="YY" }; How to dump this data to a DataGridView of two columns The gridView is like ID | Name Can we use LINQ to do this...

R ggplot2: stat_count() must not be used with a y aesthetic error in Bar graph

I am getting this error while plotting a bar graph and I am not able to get rid of it, I have tried both qplot and ggplot but still the same error. Following is my code: library(dplyr) library(ggp..

Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 1 path $

What is this error ? How can I fix this? My app is running but can't load data. And this is my Error: Use JsonReader.setLenient(true) to accept malformed JSON at line 1 column 1 path $ This is my frag..

How to send json data in the Http request using NSURLRequest

I'm new to objective-c and I'm starting to put a great deal of effort into request/response as of recent. I have a working example that can call a url (via http GET) and parse the json returned. The..

IntelliJ IDEA "The selected directory is not a valid home for JDK"

I just installed IntelliJ IDEA and I'm trying to set it up. I've gotten to the part where I need to select my home directory for my JDK. I tried navigating to my Java installation, C:\Program Files (..

Html ordered list 1.1, 1.2 (Nested counters and scope) not working

I use nested counters and scope to create an ordered list: _x000D_ _x000D_ ol {_x000D_ counter-reset: item;_x000D_ padding-left: 10px;_x000D_ }_x000D_ li {_x000D_ display: block_x000D_ }_..

Embedding JavaScript engine into .NET

just wondering if anyone has ever tried embedding and actually integrating any js engine into the .net environment. I could find and actually use (after a LOT of pain and effort, since it's pretty out..

How to use order by with union all in sql?

I tried the sql query given below: SELECT * FROM (SELECT * FROM TABLE_A ORDER BY COLUMN_1)DUMMY_TABLE UNION ALL SELECT * FROM TABLE_B It results in the following error: The ORDER BY clause ..

Using Custom Domains With IIS Express

Traditionally I use custom domains with my localhost development server. Something along the lines of: dev.example.com dev.api.example.com This has provided me a ton of flexibility when working wit..

Converting from IEnumerable to List

I want to convert from IEnumerable<Contact> to List<Contact>. How can I do this?..

PHP multidimensional array search by value

I have an array where I want to search the uid and get the key of the array. Examples Assume we have the following 2-dimensional array: $userdb = array( array( 'uid' => '100', ..

SQL Server - boolean literal?

How to write literal boolean value in SQL Server? See sample use: select * from SomeTable where PSEUDO_TRUE another sample: if PSEUDO_TRUE begin select 'Hello, SQL!' end Note: The query above..

What is a "static" function in C?

The question was about plain c functions, not c++ static methods, as clarified in comments. I understand what a static variable is, but what is a static function? And why is it that if I declare a f..

What does functools.wraps do?

In a comment on this answer to another question, someone said that they weren't sure what functools.wraps was doing. So, I'm asking this question so that there will be a record of it on StackOverflow ..

How to set image on QPushButton?

I want to set an image on QPushButton, and the size of QPushButton should depend on the size of the image. I am able to do this when using QLabel, but not with QPushButton. So, if anyone has a soluti..

Extract a substring according to a pattern

Suppose I have a list of string: string = c("G1:E001", "G2:E002", "G3:E003") Now I hope to get a vector of string that contains only the parts after the colon ":", i.e substring = c(E001,E002,E003)..

Http Post request with content type application/x-www-form-urlencoded not working in Spring

Am new to spring currently am trying to do HTTP POST request application/x-www-form-url encoded but when i keep this in my headers then spring not recognizing it and saying 415 Unsupported Media Type ..

What is the best way to create a string array in python?

I'm relatively new to Python and it's libraries and I was wondering how I might create a string array with a preset size. It's easy in java but I was wondering how I might do this in python. So far ..

Test if object implements interface

This has probably been asked before, but a quick search only brought up the same question asked for C#. See here. What I basically want to do is to check wether a given object implements a given inte..

How to get the real and total length of char * (char array)?

For a char [], I can easily get its length by: char a[] = "aaaaa"; int length = sizeof(a)/sizeof(char); // length=6 However, I cannot do like this to get the length of a char * by: char *a = new c..

How to get just the responsive grid from Bootstrap 3?

I need to add responsive design features to my web application using Twitter Bootstrap. I just want the responsive behavior, I'm not interested in the typography, components or any other stuff include..

Check if a Windows service exists and delete in PowerShell

I am currently writing a deployment script that installs a number of Windows services. The services names are versioned, so I want to delete the prior Windows service version as part of the installs ..

How to Populate a DataTable from a Stored Procedure

Possible Duplicate: How can i retrieve a table from stored procedure to a datatable I am trying to populate my datatable. I have created a datatable tmpABCD but i need to populate this with..

How to implement class constructor in Visual Basic?

I just would like to know how to implement class constructor in this language...

Access mysql remote database from command line

I have a server with Rackspace. I want to access the database from my local machine command line. I tried like: mysql -u username -h my.application.com -ppassword But it gives an error: ERROR 2003 (..

How do I enable NuGet Package Restore in Visual Studio?

There's a similar post on stack but it doesn't help with my issue possibly because I am using Visual Studio 2015. How do I get the "Enable NuGet Package Restore" option to appear in VS2015? I chose ..

Why does GitHub recommend HTTPS over SSH?

On the GitHub site there is a link... https://help.github.com/articles/generating-ssh-keys ... and it states... If you have decided not to use the recommended HTTPS method, we can use SSH keys..

Could not find tools.jar. Please check that C:\Program Files\Java\jre1.8.0_151 contains a valid JDK installation

Even though I manually configured JDK project structure file/Project structure it still shows this error FAILURE: Build failed with an exception. `What went wrong: Execution failed for task ':sample..

Easiest way to open a download window without navigating away from the page

What is the best cross browser way to open a download dialog (let's assume we can set content-disposion:attachment in the headers) without navigating away from the current page, or opening popups, whi..

How do I flush the cin buffer?

How do I clear the cin buffer in C++?..

How to use AND in IF Statement

I want to check: IF cells (i,"A") contains the text 'Miami' AND (i,"D") contains the text 'Florida' THEN change value of cell (i,"C") to BA. Sub ABC() Dim wsh As Worksheet, i As Long, lngEndRowInv A..

Generating a SHA-256 hash from the Linux command line

I know the string "foobar" generates the SHA-256 hash c3ab8ff13720e8ad9047dd39466b3c8974e592c2fa383d4a3960714caef0c4f2 using http://hash.online-convert.com/sha256-generator However the command line s..

socket.emit() vs. socket.send()

What's the difference between these two? I noticed that if I changed from socket.emit to socket.send in a working program, the server failed to receive the message, although I don't understand why. ..

How to find the installed pandas version

I am having trouble with some of pandas functionalities. How do I check what is my installation version?..

Check whether a path is valid in Python without creating a file at the path's target

I have a path (including directory and file name). I need to test if the file-name is a valid, e.g. if the file-system will allow me to create a file with such a name. The file-name has some unicode c..

Difference between binary semaphore and mutex

Is there any difference between a binary semaphore and mutex or are they essentially the same?..

How to get the first line of a file in a bash script?

I have to put in a bash variable the first line of a file. I guess it is with the grep command, but it is any way to restrict the number of lines?..

How to get random value out of an array?

I have an array called $ran = array(1,2,3,4); I need to get a random value out of this array and store it in a variable, how can I do this?..

Angular 2 two way binding using ngModel is not working

Can't bind to 'ngModel' since it isn't a know property of the 'input' element and there are no matching directives with a corresponding property Note: im using alpha.31 import { Component, View, boo..

Eclipse: Error ".. overlaps the location of another project.." when trying to create new project

I keep getting an error message in Eclipse when creating a new project. I have created a workspace at the level C:\Users\Martin\Java\Counter Inside Counter there are no files but there is a dir..

PHP Warning: Module already loaded in Unknown on line 0

On Mac OSX Mavericks using homebrew php55 whenever I run a a php command I get the following error message (everything runs fine it's just annoying) PHP Warning: Module 'intl' already loaded in Unkn..

What is the difference between Document style and RPC style communication?

Can somebody explain to me the differences between Document and RPC style webservices? Apart from JAX-RPC, the next version is JAX-WS, which supports both Document and RPC styles. I also understand d..

Powershell send-mailmessage - email to multiple recipients

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