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How do I get the information from a meta tag with JavaScript?
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edited Oct 20 '18 at 0:55
neiker
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PHP exec() vs system() vs passthru()
...t purposes.
exec() is for calling a system command, and perhaps dealing with the output yourself.
system() is for executing a system command and immediately displaying the output - presumably text.
passthru() is for executing a system command which you wish the raw return from - presumably som...
How do I tell git-svn about a remote branch created after I fetched the repo?
I'm using git-svn to work against my company's central Subversion repository. We've recently created a new feature branch in the central repo.
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How to remove focus without setting focus to another control?
I like my UIs to be intuitive; each screen should naturally and unobtrusively guide the user on to the next step in the app. Barring that, I strive to make things as confusing and confounding as possible.
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How can mixed data types (int, float, char, etc) be stored in an array?
... first check the type, then use the corresponding member of the union. A switch statement is useful:
switch (my_array[n].type) {
case is_int:
// Do stuff for integer, using my_array[n].ival
break;
case is_float:
// Do stuff for float, using my_array[n].fval
break;
case is_char:
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jQuery pass more parameters into callback
... the callback and supplies a single argument. Now you want to supply an additional argument, so you wrap the callback in closure.
callbackReceiver(callback); // "Hello World", undefined
callbackReceiver(function(value) {
callback(value, "Foo Bar"); // "Hello World", "Foo Bar"
});
Or, more...
How do I call Objective-C code from Swift?
...orm Step 2 and then skip to Step 5. (For some cases, I had to add an explicit #import <Foundation/Foundation.h to an older Objective-C File.)
Step 1: Add Objective-C Implementation -- .m
Add a .m file to your class, and name it CustomObject.m.
Step 2: Add Bridging Header
When adding your .m ...
How to check if mysql database exists
Is it possible to check if a (MySQL) database exists after having made a connection.
21 Answers
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How can I beautify JavaScript code using Command Line?
I am writing a batch script in order to beautify JavaScript code. It needs to work on both Windows and Linux .
10 Answe...
Unique fields that allow nulls in Django
...oo which has field bar. The bar field should be unique, but allow nulls in it, meaning I want to allow more than one record if bar field is null , but if it is not null the values must be unique.
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