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How to get first character of string?
...than chartAt(0) in Firefox as of Firefox 71. See for yourself here: jsperf.com/testing-the-first-character-in-a-string/1
– Stephen M Irving
Dec 16 '19 at 21:54
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querySelector and querySelectorAll vs getElementsByClassName and getElementById in JavaScript
... browser support.
querySelector is more useful when you want to use more complex selectors.
e.g. All list items descended from an element that is a member of the foo class: .foo li
document.querySelector("#view:_id1:inputText1") it doesn't work. But writing document.getElementById("view:_id1:...
Ignoring an already checked-in directory's contents?
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This command will cause git to untrack your directory and all files under it without actually deleting them:
git rm -r --cached <your directory>
The -r option causes the removal of all files under your directory.
The --...
RESTful web service - how to authenticate requests from other services?
...essed by users, but also other web services and applications. All of the incoming requests need to be authenticated. All communication takes place over HTTPS. User authentication is going to work based on an authentication token, acquired by POSTing the username and password (over an SSL connection)...
Rollback a Git merge
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Reverting a merge commit has been exhaustively covered in other questions. When you do a fast-forward merge, the second one you describe, you can use git reset to get back to the previous state:
git reset --hard <commit_before_merge>
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Git Extensions: Win32 error 487: Couldn't reserve space for cygwin's heap, Win32 error 0
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Cygwin uses persistent shared memory sections, which can on occasion become corrupted. The symptom of this is that some Cygwin programs begin to fail, but other applications are unaffected. Since these shared memory sections are persistent, often a system reboot is needed to clear them out befor...
Delete ActionLink with confirm dialog
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Avoid deleting records upon GET request! stackoverflow.com/questions/786070/…
– user1068352
Dec 26 '12 at 21:47
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How do I view 'git diff' output with my preferred diff tool/ viewer?
... git config --global diff.external <path_to_wrapper_script>
at the command prompt, replacing with the path to "git-diff-wrapper.sh", so your ~/.gitconfig contains
-->8-(snip)--
[diff]
external = <path_to_wrapper_script>
--8<-(snap)--
Be sure to use the correct syntax to s...
Batch file include external file for variables
...n your main batch will exit too. In the UNIX world this seems to be fairly common, especially for shells. And if you think about it, autoexec.bat is nothing else.
Key/value pairs
Another way would be some kind of var=value pairs in the configuration file:
var1=value1
var2=value2
...
You can then us...
How to get file creation & modification date/times in Python?
...g OSes:
On Windows, a file's ctime (documented at https://msdn.microsoft.com/en-us/library/14h5k7ff.aspx) stores its creation date. You can access this in Python through os.path.getctime() or the .st_ctime attribute of the result of a call to os.stat(). This won't work on Unix, where the ctime is ...