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How to get the caret column (not pixels) position in a textarea, in characters, from the start?
...return node.selectionStart;
} else if (!document.selection) {
return 0;
}
var c = "\001",
sel = document.selection.createRange(),
dul = sel.duplicate(),
len = 0;
dul.moveToElementText(node);
sel.text = c;
len = dul.text.indexOf(c);
sel.moveStart('character',-1);...
Shell script to delete directories older than n days
...
401
This will do it recursively for you:
find /path/to/base/dir/* -type d -ctime +10 -exec rm -rf ...
Function to return only alpha-numeric characters from string?
...restricted to just A-Z.
Try this to remove everything except a-z, A-Z and 0-9:
$result = preg_replace("/[^a-zA-Z0-9]+/", "", $s);
If your definition of alphanumeric includes letters in foreign languages and obsolete scripts then you will need to use the Unicode character classes.
Try this to le...
Is there a difference between using a dict literal and a dict constructor?
...
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The cast to value type 'Int32' failed because the materialized value is null
...where there can be unexpected nulls in different places. ...DefaultIfEmpty(0).Sum(0) can help in this (quite simple) case, where there might be no elements and sql's SUM returns null whereas c# expect 0.
A more general approach is to use ?? which will be translated to COALESCE whenever there is a r...
JNI converting jstring to char *
...pedia.org/wiki/Java_Native_Interface
http://download.oracle.com/javase/1.5.0/docs/guide/jni/spec/functions.html
concerning your problem you can use this
JNIEXPORT void JNICALL Java_ClassName_MethodName(JNIEnv *env, jobject obj, jstring javaString)
{
const char *nativeString = env->GetStr...
Search and Replace with RegEx components in Atom editor
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answered Mar 13 '14 at 1:02
speedogoospeedogoo
2,64822 gold badges1313 silver badges1717 bronze badges
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How often does python flush to a file?
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340
For file operations, Python uses the operating system's default buffering unless you configure i...
Scala Doubles, and Precision
...formance.
– Rex Kerr
Jun 19 '12 at 20:33
28
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How did Google manage to do this? Slide ActionBar in Android application
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150
In fact, there's a way to do this. Even without implementing your own ActionBar.
Just have a lo...