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Check number of arguments passed to a Bash script
...nd regex matching.
The following example checks if arguments are valid. It allows a single argument or two.
[[ ($# -eq 1 || ($# -eq 2 && $2 == <glob pattern>)) && $1 =~ <regex pattern> ]]
For pure arithmetic expressions, using (( )) to some may still be better, but they ...
How do I determine which iOS SDK I have?
..., but how do I determine which version of the iOS SDK I currently have installed?
5 Answers
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Parsing CSV files in C#, with header
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Let a library handle all the nitty-gritty details for you! :-)
Check out FileHelpers and stay DRY - Don't Repeat Yourself - no need to re-invent the wheel a gazillionth time....
You basically just need to define that shape of your data - the fi...
jQuery selector for inputs with square brackets in the name attribute
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I am not able to select (coincidentally a select tag) <select name="foo[bar]"> using $('select[name=foo\\[bar\\]]') however I am able to do so using $('select[name="foo[bar]"]), you second suggestion.
– Frank Nocke
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Twitter Bootstrap Form File Element Upload Button
... Browse <input type="file" hidden>
</label>
This works in all modern browsers, including IE9+. If you need support for old IE as well, please use the legacy approach shown below.
This techniques relies on the HTML5 hidden attribute. Bootstrap 4 uses the following CSS to shim this f...
Show MySQL host via SQL Command
All good and well, but is it possible to show the current connections host.
Not connection_id, but the IP Address or Name of the host.
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Mark current Line, and navigate through marked lines
... on the menus to Preferences>Key Bindings - Default this is a file with all the default key bindings. Read the whole thing! (lots of goodies) Here is a cut and paste of the bookmarks info (linux), which should be self explanatory.
{ "keys": ["f2"], "command": "next_bookmark" },
{ "keys": ["shift...
SQL standard to escape column names?
...ody> <double quote>
Oracle, PostgreSQL, MySQL, MSSQL and SQlite all support " as the identifier delimiter.
They don't all use " as the 'default'. For example, you have to be running MySQL in ANSI mode and SQL Server only supports it when QUOTED_IDENTIFIER is ON.
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pod install -bash: pod: command not found
I installed pod some time ago. However, it's stopped working so I'm working through this again.
21 Answers
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How can I search for a commit message on GitHub?
Not in a Git repository , but rather in GitHub specifically - how do I search just the commit messages of a specific repository/branch?
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