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Most efficient T-SQL way to pad a varchar on the left to a certain length?
... not very efficient in terms of execution time. The Tally table I used has 64,000 records. Kudos to Martin Smith for pointing out execution time efficiency.
SET STATISTICS TIME ON
select FORMAT(N, 'd10') as padWithZeros from Tally
SET STATISTICS TIME OFF
SQL Server Execution Times:
CPU time =...
CALL command vs. START with /WAIT option
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You can find the comparison between CALL and START at: ss64.com/nt/start.html (updated today with sections "Start /Wait" and "START vs CALL")
– Alfredo Capobianchi
Aug 17 '17 at 19:00
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Replace String in all files in Eclipse
...ant
In the search tab right click and select replace , or replace all:
A demo at:
http://www.avajava.com/tutorials/lessons/how-do-i-do-a-find-and-replace-in-multiple-files-in-eclipse.html
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How to add a downloaded .box file to Vagrant?
...s "The machine you're attempting to SSH into is configured to use password-based authentication. Vagrant can't script entering the password for you. If you're prompted for a password, please enter the same password you have configured in the Vagrantfile." whereas i didn't configure anything in the V...
How do I monitor the computer's CPU, memory, and disk usage in Java?
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Be careful when using Sigar, there are problems on x64 machines... stackoverflow.com/questions/23405832/… and it seems the library doesn't get updated since 2010
– Alvaro
May 1 '14 at 10:46
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ADB not recognising Nexus 4 under Windows 7
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To fix/install Android USB driver on Windows 7/8 32bit/64bit:
Connect your Android-powered device to your computer's USB port.
Right-click on Computer from your desktop or Windows Explorer, and
select Manage.
Select Devices in the left pane.
Locate and expand Other device in th...
Error installing libv8: ERROR: Failed to build gem native extension
... at /home/gitlab/gitlab/vendor/bundle/ruby/2.1.0/cache/libv8-3.16.14.3-x86_64-linux.gem. It may be corrupted. I remove the whole cache folder and re-run bundle install --full-index --deployment --without development test postgres aws. Works.
– Nick Dong
Mar 2 ...
Check whether an input string contains a number in javascript
... "Yash", id2="777", id3= "Yash777", id4= "Yash777Image4"
id11= "image5.64", id22= "55-5.6", id33= "image_Yash", id44= "image-Yash"
id12= "_-.";
console.log( "Only Letters:\n ", matchExpression(id1) );
console.log( "Only Numbers:\n ", matchExpression(id2) );
console.log( "Only Mix of Letters ...
How to access java-classes in the default-package?
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a demo of how to use jarjar would be great
– BiGGZ
Mar 2 '17 at 21:34
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Check if a string has white space
...le-escape all sequences code, i.e., \\s in place of \s, etc.
Full working demo from source code....
$(document).ready(function(e) { function hasWhiteSpace(s) {
var reWhiteSpace = new RegExp("\\s+");
// Check for white space
if (reWhiteSpace.test(s)) {
//...