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Python: fastest way to create a list of n lists
...eration, which incurs considerable overhead overhead.
Regardless, [[] for _dummy in xrange(n)] is the right way to do it and none of the tiny (if existent at all) speed differences between various other ways should matter. Unless of course you spend most of your time doing this - but in that case, ...
Java Reflection: How to get the name of a variable?
...rNames extends java.lang.Object{
TestLocalVarNames();
Code:
0: aload_0
1: invokespecial #1; //Method java/lang/Object."<init>":()V
4: return
LocalVariableTable:
Start Length Slot Name Signature
0 5 0 this LTestLocalVarNames;
public java.lang...
How to abandon a hg merge?
...e with regular expressions. Something as simple as replacing what matches ^____ (use 4 spaces instead of underscores) with __ (2 spaces), repeated a few times (unless you have insanely some nested code) should work.
share
...
How to drop unique in MySQL?
...te the foreign key afterwards. e.g ALTER TABLE fuinfo DROP foreign key fk_name_for_email;
– Brad Parks
Dec 12 '12 at 20:08
...
How to hide “Showing 1 of N Entries” with the dataTables.js library
...
try this for hide
$('#table_id').DataTable({
"info": false
});
and try this for change label
$('#table_id').DataTable({
"oLanguage": {
"sInfo" : "Showing _START_ to _END_ of _TOTAL_ entries",// text you want show for info section
...
Why use strict and warnings?
...ch as @ARGV, %ENV, and all the global punctuation variables such as $. or $_.
Declared with our (for a global) or my (for a lexical).
Imported from another package. (The use vars pragma fakes up an import, but use our instead.)
Fully qualified using its package name and the double-colon package sepa...
How to Query an NTP Server using C#?
...on code (after testing and review of course).
– dodgy_coder
Sep 23 '14 at 5:33
2
Why I get LAN wi...
Inserting a tab character into text using C#
...at is NOT ALWAYS correctly aligned.
Example in VB.Net:
Private Sub Form1_Load(sender As Object, e As EventArgs) Handles MyBase.Load
TextBox1.Text = "Bernard" + vbTab + "32"
TextBox2.Text = "Luc" + vbTab + "47"
TextBox3.Text = "François-Victor" + vbTab + "12"
End Sub
will display
...
How to deep copy a list?
...
E0_copy is not a deep copy. You don't make a deep copy using list() (Both list(...) and testList[:] are shallow copies).
You use copy.deepcopy(...) for deep copying a list.
deepcopy(x, memo=None, _nil=[])
Deep copy operat...
trying to animate a constraint in swift
...t tapGesture = UITapGestureRecognizer(target: self, action: #selector(doIt(_:)))
textView.addGestureRecognizer(tapGesture)
}
@objc func doIt(_ sender: UITapGestureRecognizer) {
heightConstraint.constant = heightConstraint.constant == 50 ? 150 : 50
UIView.animate(with...