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Initialize a nested struct
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@GauravOjha not all the way, but something like play.golang.org/p/n24BD3NlIR
– OneOfOne
Jan 30 '17 at 15:07
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How do I get PHP errors to display?
...ile ( php.ini ) and display_errors is set and also error reporting is E_ALL . I have restarted my Apache webserver.
26 A...
Linux command to list all available commands and aliases
Is there a Linux command that will list all available commands and aliases for this terminal session?
20 Answers
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Get record counts for all tables in MySQL database
Is there a way to get the count of rows in all tables in a MySQL database without running a SELECT count() on each table?
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“’” showing on page instead of “ ' ”
...hich varies depending on the configuration. If this is your issue, then usually just altering the table to use UTF-8 is sufficient. If your database doesn't support that, you'll need to recreate the tables. It is good practice to set the encoding of the table when you create it.
You're most likely u...
“Diff” an image using ImageMagick
... as a PNG file, the second one as a PDF.
The resulting diff file displays all pixels which are different in red color. The ones which are unchanged appear white.
Short and sweet.
Note, your images need not be the same type. You can even mix JPEG, TIFF, PNG -- under one condition: the images sho...
Check whether or not the current thread is the main thread
...be executed on the main thread, you can:
- (void)someMethod
{
dispatch_block_t block = ^{
// Code for the method goes here
};
if ([NSThread isMainThread])
{
block();
}
else
{
dispatch_async(dispatch_get_main_queue(), block);
}
}
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Print array to a file
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Either var_export or set print_r to return the output instead of printing it.
Example from PHP manual
$b = array (
'm' => 'monkey',
'foo' => 'bar',
'x' => array ('x', 'y', 'z'));
$results = print_r($b, true); //...
How to get access to HTTP header information in Spring MVC REST controller?
I am new to web programming in general, especially in Java, so I just learned what a header and body is.
3 Answers
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How to generate a Dockerfile from an image?
...;image_id>
-f, --full-tree Generate Dockerfile for all parent layers
-h, --help Show this message
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