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How to verify if a file exists in a batch file?
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You can use IF EXIST to check for a file:
IF EXIST "filename" (
REM Do one thing
) ELSE (
REM Do another thing
)
If you do not need an "else", you can do something like this:
set __myVariable=
IF EXIST "C:\folder with space\myfile.txt" set __myVariable=C:\folder with space\my...
Extract date (yyyy/mm/dd) from a timestamp in PostgreSQL
I want to extract just the date part from a timestamp in PostgreSQL.
7 Answers
7
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How can I access getSupportFragmentManager() in a fragment?
I have a FragmentActivity and I want to use a map fragment within it. I'm having a problem getting the support fragment manager to access it.
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event Action vs event EventHandler
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One upside with the dominating design pattern (apart from the power of sameness) is that you can extend the EventArgs object with new properties without altering the signature of the event. This would still be possible if you used Action<SomeClassWithProperties>, but I don't really see the p...
Tomcat startup logs - SEVERE: Error filterStart how to get a stack trace?
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Up to this moment "error filterStart" has plagued my nightmares...NO LONGER! You rock!
– Cody S
Oct 1 '12 at 17:16
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What is the difference between ArrayList.clear() and ArrayList.removeAll()?
... // Let gc do its work
for (int i = 0; i < size; i++)
elementData[i] = null;
size = 0;
}
The source code for removeAll()(As defined in AbstractCollection):
public boolean removeAll(Collection<?> c) {
boolean modified = false;
Iterator<?> e = iterator();
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Clear android application user data
...ll only work for the semi-privileged adb shell user, which is treated as somewhat comparable in authority to a user pushing buttons in GUI if the system settings app.
– Chris Stratton
Jun 7 '12 at 15:10
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Rearranging Tab Bar Controller Order in StoryBoard
...raphically? I can't find a way to do this and I'm sure I must be missing something!
18 Answers
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Getting scroll bar width using JavaScript [duplicate]
...tScrollbarWidth() {
// Creating invisible container
const outer = document.createElement('div');
outer.style.visibility = 'hidden';
outer.style.overflow = 'scroll'; // forcing scrollbar to appear
outer.style.msOverflowStyle = 'scrollbar'; // needed for WinJS apps
document.body.appendChi...
Remove or uninstall library previously added : cocoapods
I added an external framework via cocoapods into my iOS application. How can i remove that library from the project?
6 Answ...