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Check if a file exists with wildcard in shell script [duplicate]
...nally and exit as soon as at it finds one matching file, rather than waste time processing a potentially huge list of them expanded by the shell; this also avoids the risk that the shell might overflow its command line buffer.
if test -n "$(find /dir/to/search -maxdepth 1 -name 'files*' -print -qui...
How do I access named capturing groups in a .NET Regex?
I'm having a hard time finding a good resource that explains how to use Named Capturing Groups in C#. This is the code that I have so far:
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Get the index of the nth occurrence of a string?
...olutions are suboptimal, because then I have to relearn regexs for the nth time. The code is essentially more difficult to read when regexes are used.
– Mark Rogers
May 28 '15 at 17:27
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HTTP authentication logout via PHP
...ce (or even working! see comments) solution):
Disable his credentials one time.
You can move your HTTP authentication logic to PHP by sending the appropriate headers (if not logged in):
Header('WWW-Authenticate: Basic realm="protected area"');
Header('HTTP/1.0 401 Unauthorized');
And parsing th...
What is a 'multi-part identifier' and why can't it be bound?
... Day saver comment for newcomers: just check out your typo, sometimes it occurs when you are missing a little piece. In my issue, it was OBJECT_ID(Schema.Table) without any quotes in a 50+ lines query.
– Abdullah Ilgaz
May 17 at 16:51
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ASP.Net error: “The type 'foo' exists in both ”temp1.dll“ and ”temp2.dll"
When running a web application project, at seemingly random times a page may fail with a CS0433 error: type exists in multiple DLL's. The DLL's are all generated DLL's residing in the "Temporary ASP.NET Files" directory.
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How can I count all the lines of code in a directory recursively?
...than one number when there are many files (because wc will be run multiple times. Also doesn't handle many special file names.
– l0b0
Apr 23 '13 at 11:56
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Decode Base64 data in Java
... there is an officially supported API for Base64 encoding and decoding.
In time this will probably become the default choice.
The API includes the class java.util.Base64 and its nested classes. It supports three different flavors: basic, URL safe, and MIME.
Sample code using the "basic" encoding:
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Creating an abstract class in Objective-C
...as abstract, just don't use it without subclassing it. There is no compile-time enforcement that prevents instantiation of an abstract class, however. In fact, there is nothing to stop a user from providing implementations of abstract methods via a category (i.e. at runtime). You can force a user to...
Colors with unix command “watch”?
... flags or there isn't you can make a poor's man watch by:
while sleep <time>; do clear; <command>; done
It will have a bit of flicker (watch works "double buffered") but for some stuff it is useful enough.
You may be tempted to make a double buffered poor man's watch using
while sl...
