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Unnecessary curly braces in C++?
...
The extra braces are used to define the scope of the variable declared inside the braces. It is done so that the destructor will be called when the variable goes out of scope. In the destructor, you may release a mutex (or any ot...
How does Stack Overflow generate its SEO-friendly URLs?
...uted
/// by John Gietzen (user otac0n)
/// </summary>
public static string URLFriendly(string title)
{
if (title == null) return "";
const int maxlen = 80;
int len = title.Length;
bool prevdash = false;
var sb = new StringBuilder(len);
char c;
for (int i = 0; i &...
How do I output text without a newline in PowerShell?
...our case (since you're providing informative output to the user), create a string that you can use to append output. When it's time to output it, just output the string.
Ignoring of course that this example is silly in your case but useful in concept:
$output = "Enabling feature XYZ......."
Enable...
How do I remove  from the beginning of a file?
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it translates to php as $string = preg_replace('/\x{EF}\x{BB}\x{BF}/','',$string); . before you use this, reconsider if you can't fix the problem at the source instead.
– commonpike
Oct 6 '11 at 15:53
...
Null coalescing in powershell
...alpha', 5, 0, '', @(), $null, $true, $false
$instances = $items -ne $null
[string]::Join(', ', ($instances | ForEach-Object -Process { $_.GetType() }))
# Result:
System.String, System.Int32, System.Int32, System.String, System.Object[],
System.Boolean, System.Boolean
-eq works similarly, which is...
How can I override the OnBeforeUnload dialog and replace it with my own?
...saved changes!';
}
Here's a reference to this from Microsoft:
When a string is assigned to the returnValue property of window.event, a dialog box appears that gives users the option to stay on the current page and retain the string that was assigned to it. The default statement that appears in...
How to center align the cells of a UICollectionView?
... This is good solution thanks, however this does require some extra calculations on my side.
– RVN
Nov 27 '12 at 16:49
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Django template how to look up a dictionary value with a variable
...mita's answer, the dictionary passed into the function is in the form of a string, so perhaps use ast.literal_eval to convert the string to a dictionary first, like in this example.
With this edit, the code should look like this:
# code for custom template tag
@register.filter(name='lookup')
def loo...
Painless way to install a new version of R?
...I have to adjust the Rprofile.site anyway (using sum contrasts, adding the extra code for Tinn-R, these things), so it's not really extra work. It just takes extra time installing all packages anew.
This last bit is equivalent to what is given in the original question as a solution. I just don't ne...
Convert any object to a byte[]
...for the .Net platform
Binary Serialization
XML Serialization: Produces a string which is easily convertible to a byte[]
ProtoBuffers
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