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Print array elements on separate lines in Bash?
...ds to the args merged into one argument: "$1c$2c..." (where c is
the first char of IFS).
You almost always want "$@". Same goes for "${arr[@]}".
Always quote them!
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Unicode, UTF, ASCII, ANSI format differences
...ny other places, it means UTF-8. Properly, Unicode refers to the abstract character set itself, not to any particular encoding.
UTF-16: 2 bytes per "code unit". This is the native format of strings in .NET, and generally in Windows and Java. Values outside the Basic Multilingual Plane (BMP) are enc...
How do I diff the same file between two different commits on the same branch?
...1s to use, should the two commits be very far apart. gitk also has a "diff selected -> this" and "diff this -> selected" in its context menu.
– Cascabel
Jul 26 '10 at 19:19
1...
How would Git handle a SHA-1 collision on a blob?
...f
Daniel Dinnyes points out in the comments to 7.1 Git Tools - Revision Selection, which includes:
A higher probability exists that every member of your programming team will be attacked and killed by wolves in unrelated incidents on the same night.
Even the more recently (February 2017) ...
Right query to get the current number of connections in a PostgreSQL DB
...ires aren't equivalent. The equivalent version of the first one would be:
SELECT sum(numbackends) FROM pg_stat_database;
In that case, I would expect that version to be slightly faster than the second one, simply because it has fewer rows to count. But you are not likely going to be able to measu...
Directive isolate scope with ng-repeat scope in AngularJS
...moved:
<li ng-repeat="name in names"
ng-class="{ active: $index == selected }"
ng-click="selected = $index">
{{$index}}: {{name.first}} {{name.last}}
</li>
Here is a JSFiddle demonstrating that it won't work. You get the exact same results as in your directive.
Why doesn'...
Git undo local branch delete
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git reflog show
This will display all the Commit history, you need to select the sha-1 that has the last commit that you want to get back
2: create a branch name with the Sha-1 ID you selected eg: 8c87714
git branch your-branch-name 8c87714
...
Get current batchfile directory
...re importantly, using :: allows you to include redirectors, pipes, special chars (i.e. < > | etc) in that comment.
:: ORIG STMT WAS: dir *.* | find /v "1917" > outfile.txt
Of course, Powershell does this and lots more.
...
How can I deploy an iPhone application from Xcode to a real iPhone device?
...w the use of this certificate:
Launch Keychain Access.app. With no items selected, from the Keychain menu select Certificate Assistant, then Create a Certificate.
Name: iPhone Developer
Certificate Type: Code Signing
Let me override defaults: Yes
Click Continue
Validity: 3650 days
Click Cont...
How to remove leading zeros using C#
...
It really depends on how long the NVARCHAR is, as a few of the above (especially the ones that convert through IntXX) methods will not work for:
String s = "005780327584329067506780657065786378061754654532164953264952469215462934562914562194562149516249516294563...