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Most efficient way to reverse a numpy array
... giant chunk of the running time. What I have right now is the common view-based method:
7 Answers
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How to resize a VirtualBox vmdk file
...e symlink path VBoxManage clonehd "~/path/to/symlink/packer-centos-6.5-x86_64-disk1.vmdk" "/media/k0pernikus/thatFatSlowDisk/cloned_packer-centos-6.5-x86_64-disk1.vdi" If you specfiy the real path, the command will crash due to VBoxManage: error: Cannot register the hard disk, as VBox thinks it's al...
jquery if div id has children
...use $('#id').children().length > 0 to test if an element has children.
Demo
var test1 = $('#test');
var test2 = $('#test2');
if(test1.children().length > 0) {
test1.addClass('success');
} else {
test1.addClass('failure');
}
if(test2.children().length > 0) {
tes...
How to remove close button on the jQuery UI dialog?
...our suggestion works well when using the example provided by the jquery ui demo site with ASP.NET v2.0 in an .aspx page. jqueryui.com/demos/dialog/modal-form.html
– Matthew Dally
Feb 14 '12 at 13:53
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Javascript array search and remove string?
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DEMO
You need to find the location of what you're looking for with .indexOf() then remove it with .splice()
function remove(arr, what) {
var found = arr.indexOf(what);
while (found !== -1) {
arr.splice(foun...
Python, Unicode, and the Windows console
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win-unicode-console Python package (based on your code) allows to avoid modifying your script if it prints Unicode directly using py -mrun your_script.py command.
– jfs
Feb 27 '16 at 14:31
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How to step back in Eclipse debugger?
... The UI is rather clunky, and it can have a hard time handling large code bases, but for some cases it can really save a lot of time.
Update: Chronon provides a commercial product that it describes as a "DVR for Java", which appears to do a lot of the same things as the ODB.
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Change auto increment starting number?
...ement;
DELIMITER //
CREATE PROCEDURE update_auto_increment (_table VARCHAR(64))
BEGIN
DECLARE _max_stmt VARCHAR(1024);
DECLARE _stmt VARCHAR(1024);
SET @inc := 0;
SET @MAX_SQL := CONCAT('SELECT IFNULL(MAX(`id`), 0) + 1 INTO @inc FROM ', _table);
PREPARE _max_stmt FROM @MAX_S...
How to compile a 32-bit binary on a 64-bit linux machine with gcc/cmake
... it possible to compile a project in 32-bit with cmake and gcc on a 64-bit system? It probably is, but how do I do it?
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/etc/apt/sources.list" E212: Can't open file for writing
...g:
Instead of losing all your changes and re-opening with sudo. See this demo of how to save those changes:
One time Setup demo to create a root owned read only file for a lower user:
sudo touch temp.txt
sudo chown root:root temp.txt
sudo chmod 775 temp.txt
whoami
el
First open the file as nor...