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How many String objects will be created when using a plus sign?
...answer at MSDN. One.
How to: Concatenate Multiple Strings (C# Programming Guide)
Concatenation is the process of appending one string to the end of
another string. When you concatenate string literals or string
constants by using the + operator, the compiler creates a single
string. No run time co...
'id' is a bad variable name in Python
...
In PEP 8 - Style Guide for Python Code, the following guidance appears in the section Descriptive: Naming Styles :
single_trailing_underscore_ : used by convention to avoid conflicts
with Python keyword, e.g.
Tkinter.Toplevel(ma...
Mongoose.js: Find user by username LIKE value
...n read more about it here. developer.mozilla.org/en-US/docs/Web/JavaScript/Guide/…
– PeterBechP
Sep 20 '13 at 17:07
10
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Find out what process registered a global hotkey? (Windows API)
...t working with shortcuts / shell links in the Borland Delphi 6 Developer's Guide by Steve Teixeira and Xavier Pacheco. My example above is a butchered version from there and this site.
Hope that helps!
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Why would one omit the close tag?
...st sed/awk or regex-oneliners). In particular:
phptags tag tidier
https://fossil.include-once.org/phptags/
Which could generally be used to --unclose php tags for third-party code, or rather just fix any (and all) actual whitespace/BOM issues:
phptags --warn --whitespace *.php
It al...
Saving and Reading Bitmaps/Images from Internal memory in Android
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I notice you have placed certain comments can you guide me what are implying? Like the one about the path? Do I have to give a path or something?
– Usama Zafar
Jul 16 '13 at 12:47
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How to use a filter in a controller?
...by name. this is based on following description.
http://docs.angularjs.org/guide/filter
this.filteredArray = filterFilter(this.array, {name:'Igor'});
JS:
angular.module('FilterInControllerModule', []).
controller('FilterController', ['filterFilter', function(filterFilter) {
this.array = [...
Ruby on Rails: How can I revert a migration with rake db:migrate?
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@morhook This works for rails 3 also. Check the docs here guides.rubyonrails.org/v3.2/migrations.html
– Mahesh
Feb 11 '19 at 17:05
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How to detect when WIFI Connection has been established in Android?
...ger be allowed to be registered in the manifest (see developer.android.com/guide/components/…). If we register it in the application activity (say onCreate), then it will have to be deregistered in onStop(), and we will no longer receive wifi related events.
– zafar142003
...
In Swift how to call method with parameters on GCD main thread?
...r more information see Trailing Closures in Swift 2.2 Programming Language Guide.
In dispatch_async case the API is func dispatch_async(queue: dispatch_queue_t, _ block: dispatch_block_t) since dispatch_block_t is type alias for () -> Void - A closure that receives 0 parameters and does not have...