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Intellij Idea 9/10, what folders to check into (or not check into) source control?
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We have a FAQ article covering this question.
[The .idea] format is used by all the recent IDE versions by default.
Here is what you need to share:
All the files under .idea directory in the project root except the workspace.xml and tasks.xml files which store user s...
Run a single migration file
... I had to create an instance of the migration object before I could call up. e.g. AddFoos.new.up
– Bentleyo
Oct 30 '12 at 5:43
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Include constant in string without concatenating
...constant() is an alternative way to get hold of a constant, but a function call can't be put into a string without concatenation either.
Manual on constants in PHP
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In Java, is there a way to write a string literal without having to escape quotes?
...ke that for a static field. Since it's static the string-replace code gets called once, upon initialization of the class. So the runtime performance penalty is practically nonexistent, and it makes the code considerably more legible.
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C++ Returning reference to local variable
...ference) to an object with a lifetime limited to the scope of the function call. That means once func1() returns, int i dies, making the reference returned from the function worthless because it now refers to an object that doesn't exist.
int main()
{
int& p = func1();
/* p is garbage *...
Remove Elements from a HashSet while Iterating [duplicate]
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@Shouldn't your code actually call it.next()?
– saurabheights
Jun 1 '17 at 9:17
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Get Image size WITHOUT loading image into memory
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As the comments allude, PIL does not load the image into memory when calling .open. Looking at the docs of PIL 1.1.7, the docstring for .open says:
def open(fp, mode="r"):
"Open an image file, without loading the raster data"
There are a few file operations in the source like:
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pr...
Display a tooltip over a button using Windows Forms
...aying tool tips for multiple elements on a single form.
Say your button is called MyButton.
Add a ToolTip control (under Common
Controls in the Windows Forms
toolbox) to your form.
Give it a
name - say MyToolTip
Set the "Tooltip on MyToolTip" property of MyButton (under Misc in
the button property...
Javascript: best Singleton pattern [duplicate]
...iptTips#Singleton_pattern
function MySingletonClass () {
if (arguments.callee._singletonInstance) {
return arguments.callee._singletonInstance;
}
arguments.callee._singletonInstance = this;
this.Foo = function () {
// ...
};
}
var a = new MySingletonClass();
var b = MySingleto...
XML Schema (XSD) validation tool? [closed]
...available if you'd rather use that. The StdInParse utility can be used to call it from the command line. Also, a commenter below points to this more complete wrapper utility.
You could also use xmllint, which is part of libxml. You may well already have it installed. Example usage:
xmllint --noou...