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C++ Object Instantiation
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On the contrary, you should always prefer stack allocations, to the extent that as a rule of thumb, you should never have new/delete in your user code.
As you say, when the variable is declared on the stack, its destructor is automatically called when it goes out of scope...
Passing variables through handlebars partial
...andlebars.js in an express.js application. To keep things modular, I split all my templates in partials.
8 Answers
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Select element based on multiple classes
...ces between them):
.class1.class2 {
/* style here */
}
This selects all elements with class1 that also have class2.
In your case:
li.left.ui-class-selector {
}
Official documentation : CSS2 class selectors.
As akamike points out a problem with this method in Internet Explorer 6 you mi...
What are the special dollar sign shell variables?
... $3, ... are the positional parameters.
"$@" is an array-like construct of all positional parameters, {$1, $2, $3 ...}.
"$*" is the IFS expansion of all positional parameters, $1 $2 $3 ....
$# is the number of positional parameters.
$- current options set for the shell.
$$ pid of the current shell (...
How to concatenate twice with the C preprocessor and expand a macro as in “arg ## _ ## MACRO”?
...ssing token (see below), is
replaced by the corresponding argument after all macros contained therein have been
expanded. Before being substituted, each argument’s preprocessing tokens are
completely macro replaced as if they formed the rest of the preprocessing file; no other
preprocessin...
Zero-pad digits in string
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First of all, your description is misleading. Double is a floating point data type. You presumably want to pad your digits with leading zeros in a string. The following code does that:
$s = sprintf('%02d', $digit);
For more informa...
How to pass in password to pg_dump?
...if you have multiple commands that would require password you can put them all in the script. If the password changes you only have to change it in one place (the script).
And I agree with Joshua, using pg_dump -Fc generates the most flexible export format and is already compressed. For more info s...
Removing non-repository files with git?
...es. By default, it will only print what it would have removed, without actually removing them.
Given the -f flag to remove the files, and the -d flag to remove empty directories as well :
git clean -df
Also removing ignored files :
git clean -dfx
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Add data annotations to a class generated by entity framework
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The generated class ItemRequest will always be a partial class. This allows you to write a second partial class which is marked with the necessary data annotations. In your case the partial class ItemRequest would look like this:
using System.ComponentModel;
using System.ComponentModel.DataAn...
Does Swift support reflection?
...s to me it's just a hack to enable debugging in Xcode. Protocol Mirror actually quotes the word IDE several times.
– Sulthan
Jun 6 '14 at 7:50
7
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