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Prompt for user input in PowerShell
... answered Nov 23 '11 at 2:11
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Validate that a string is a positive integer
...id="btn" type="button" value="Check">
How that works:
^: Match start of string
\+?: Allow a single, optional + (remove this if you don't want to)
(?:...|...): Allow one of these two options (without creating a capture group):
(0|...): Allow 0 on its own...
(...|[1-9]\d*): ...or a numbe...
Possible reason for NGINX 499 error codes
...ration
Here I will assume that the reader knows as little as I did when I started playing around.
My setup was a reverse proxy, the nginx server, and an application server, the uWSGI server behind it. All requests from the client would go to the nginx server, then forwarded to the uWSGI server, a...
What is global::?
...am and is otherwise unnamed.
The global:: specifier tells the compiler to start looking for the namespace or class starting from the root. You’ll see it in system-generated code so that the code always works. That way if you have a namespace right under your current namespace that is the same a...
Creating a textarea with auto-resize
...;</textarea>
</body>
If you want try it on jsfiddle
It starts with a single line and grows only the exact amount necessary. It is ok for a single textarea, but I wanted to write something where I would have many many many such textareas (about as much as one would normally have l...
How to npm install to a specified directory?
...get npm to run without changing the current directory.
Ended up using the start command and just specifying the working directory:
start "npm" -ArgumentList "install --warn" -wo $buildFolder
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Asynctask vs Thread in android
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Invoke by thread.start() method
Triggered from any thread
Runs on its own thread
Manual thread management/code may become difficult to read
AsyncTask
Small task having to communicate with main thread
Invoke by excute() method
Triggered fr...
What is the difference between “pom” type dependency with scope “import” and without “import”?
Starting from Maven 2.0.9 there is possibility to include
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3
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What is a “surrogate pair” in Java?
...ogates" and "low surrogates", depending on whether they are allowed at the start or end of the two-code-unit sequence.
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Is it possible to for SQL Output clause to return a column not being inserted?
... I used a merge statement that over the past year has grown with usage. We started having timeouts during saves and it turned out that because the merge statement always locks the tables we were having 35-160 seconds of table locking every 4 minutes. I'm having to reconstruct several merge statement...