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Choice between vector::resize() and vector::reserve()
...) will be unchanged. There is no value for the objects, because nothing is added to the vector. If you then insert the elements, no reallocation will happen, because it was done in advance, but that's the only effect.
So it depends on what you want. If you want an array of 1000 default items, use r...
Core Data vs SQLite 3 [closed]
I am already quite familiar with relational databases and have used SQLite (and other databases) in the past. However, Core Data has a certain allure, so I am considering spending some time to learn it for use in my next application.
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Why do some scripts omit the closing PHP tag, '?>'? [duplicate]
... characters at the end of file. For example any char which is accidentally added behind the closing tag would trigger an error when trying to modify header info later.
Removing the closing tag is kind of "good practice" referring to many coding guidelines.
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Extension methods must be defined in a non-generic static class
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After installation of Gulp: “no command 'gulp' found”
...on.
Also, node_modules/.bin/ isn't in your $PATH. But it is automatically added by npm when running npm scripts (see this blog post for reference).
So you could add scripts to your package.json file:
{
"name": "your-app",
"version": "0.0.1",
"scripts": {
"gulp": "gulp",
...
How does one change the language of the command line interface of Git?
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Add these lines to your ~/.bashrc or ~/.bash_profile to force git to display all messages in English:
# Set Git language to English
#alias git='LANG=en_US git'
alias git='LANG=en_GB git'
The alias needs to override LC_ALL ...
What is the difference between -viewWillAppear: and -viewDidAppear:?
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In general, this is what I do:
1) ViewDidLoad - Whenever I'm adding controls to a view that should appear together with the view, right away, I put it in the ViewDidLoad method. Basically this method is called whenever the view was loaded into memory. So for example, ...
How do I find the PublicKeyToken for a particular dll?
...erShell, you can execute this statement:
([system.reflection.assembly]::loadfile("c:\MyDLL.dll")).FullName
The output will provide the Version, Culture and PublicKeyToken as shown below:
MyDLL, Version=1.0.0.0, Culture=neutral, PublicKeyToken=669e0ddf0bb1aa2a
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for each loop in Objective-C for accessing NSMutable dictionary
...ictionary is one of the few collections which lets you enumerate keys instead of values. I suggest you read about fast enumeration in the Collections Programming Topic.
Oh, I should add however that you should NEVER modify a collection while enumerating through it.
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How to Reload ReCaptcha using JavaScript?
... to refresh Recaptcha image anytime an error is occured (i.e. username already in use).
10 Answers
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