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Running multiple commands with xargs
...ell-like (but not quite shell-compatible) parsing to the stream it reads. (If you don't have GNU xargs, you can use tr '\n' '\0' <a.txt | xargs -0 ... to get line-oriented reading without -d).
The _ is a placeholder for $0, such that other data values added by xargs become $1 and onward, which ha...
How can I use map and receive an index as well in Scala?
...
@ziggystar If you're looking for performance you need to trade off some immutability. Look inside the zipWithIndex function. It just uses a var to build a new collection of pairs. You could use the same method of incrementing a var with...
How to check if hex color is “too black”?
...t; 40) {
// pick a different colour
}
EDIT
Since May 2014 tinycolor now has a getBrightness() function, albeit using the CCIR601 weighting factors instead of the ITU-R ones above.
EDIT
The resulting luma value range is 0..255, where 0 is the darkest and 255 is the lightest. Values greater t...
How do I get textual contents from BLOB in Oracle SQL
... it to a correct size (docs.oracle.com/cd/E11882_01/appdev.112/e25788/…) if necessary.
– Mac
Aug 19 '13 at 6:01
...
Liquibase lock - reasons?
...
Sometimes if the update application is abruptly stopped, then the lock remains stuck.
Then running
UPDATE DATABASECHANGELOGLOCK SET LOCKED=0, LOCKGRANTED=null, LOCKEDBY=null where ID=1;
against the database helps.
Or you can simpl...
Executing elements inserted with .innerHTML
... for (i = 0; children_nodes[i]; i++) {
child = children_nodes[i];
if (nodeName(child, "script" ) &&
(!child.type || child.type.toLowerCase() === "text/javascript")) {
scripts.push(child);
}
}
for (i = 0; scripts[i]; i++) {
script = scripts[i];
if (...
Does VBA have Dictionary Structure?
...ictionary")
or
Dim dict As New Scripting.Dictionary
Example of use:
If Not dict.Exists(key) Then
dict.Add key, value
End If
Don't forget to set the dictionary to Nothing when you have finished using it.
Set dict = Nothing
...
file_put_contents(meta/services.json): failed to open stream: Permission denied
...specific, but the thought process for Laravel developers is: "make it work NOW, I don't care how", just like 777). As a general rule, never, ever, set anything as 777 to get something to work. UNDERSTAND your server and users/roles and set them accordingly; don't hack at it. Your clients trust you t...
NSAttributedString add text alignment
...alignment;
CTParagraphStyleSetting settings[1] = {alignmentSetting};
size_t settingsCount = 1;
CTParagraphStyleRef paragraphRef = CTParagraphStyleCreate(settings, settingsCount);
NSDictionary *attributes = @{(__bridge id)kCTParagraphStyleAttributeName : (__bridge id)paragraphRef};
NSAttributedStri...
How to create EditText with cross(x) button at end of it?
...
If you happen to choose this solution and notice that the image is stretched a lot too much, you should probably use an ImageButton instead of a regular Button.
– personne3000
Apr 23 '13...