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how does array[100] = {0} set the entire array to 0?
How does the compiler fill values in char array[100] = {0}; ? What's the magic behind it?
4 Answers
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How to ignore xargs commands if stdin input is empty?
...empty option:
--no-run-if-empty
-r If the standard input does not contain any nonblanks, do not run the command. Normally, the command is run once even if there is no input. This option is a GNU extension.
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Rails: where does the infamous “current_user” come from?
...nto Rails and notice that there are a lot of references to current_user . Does this only come from Devise? and do I have to manually define it myself even if I use Devise? Are there prerequisites to using current_user (like the existence of sessions, users, etc)?
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xcodebuild says does not contain scheme
...ommand-line initiated build, the Xcode UI never runs and the xcoderun tool doesn't have its own cache of Schemes to work with. The goal is to generate, share, and commit the scheme you want Bamboo to run:
On a clean working copy of the code, open your Project's workspace.
Choose Scheme > Manag...
What does enctype='multipart/form-data' mean?
What does enctype='multipart/form-data' mean in an HTML form and when should we use it?
9 Answers
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Is there a UIView resize event?
...en being kind of dirty. Even worse, there is a risk with observing - Apple does not guarantee KVO works on UIKit classes. Read the discussion with Apple engineer here: When does an associated object get released?
original answer:
You can use key-value observing:
[yourView addObserver:self forKeyP...
Why does an SSH remote command get fewer environment variables then when run manually? [closed]
...make the remote shell set up the login environment. The section you quoted does mention --login but it would be easy to overlook this.
– codebeard
Nov 24 '16 at 3:17
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What are the nuances of scope prototypal / prototypical inheritance in AngularJS?
...is a directive with scope: { ... } -- this creates an "isolate" scope that does not prototypically inherit. This construct is often used when creating a "reusable component" directive.
As for the nuances, scope inheritance is normally straightfoward... until you need 2-way data binding (i.e., form...
Why does Python pep-8 strongly recommend spaces over tabs for indentation?
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makes me wonder... why does the standard library have so many mixedCase method names?
– Kyle Wild
Feb 23 '11 at 19:22
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ASP.NET MVC framework 4.5 CSS bundle does not work on the hosting
...virtual path for the bundle (the parameter of the StyleBundle constructor) doesn't match a folder in the file system.
From the comments:
"A good convention to follow when creating bundles is to include
"bundle" as a prefix in the bundle name. This will prevent a possible
routing conflict."
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