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Create array of regex matches
...o past that size with calls to add() you will have to bear with the memory allocation and array copy -- and that might happen a few times. Granted, if you expect just a few matches then your approach is the more efficient one; if however you find that the array "resizing" happens more than once I wo...
Remove element of a regular array
... another array" - per the linked documentation, Array.Resize actually does allocate a new array behind the scenes, and copies the elements from the old array to the new one. Still, I like the conciseness of this solution.
– Jon Schneider
Sep 11 '14 at 14:48
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How do I split a multi-line string into multiple lines?
...An advantage to this method, when compared to str.split, is not needing to allocate any memory (it reads the string in-place). A disadvantage is that it's much slower if you use StringIO (about 50x). If you use cStringIO, however, it's about 2x faster
– goncalopp
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How to use unicode characters in Windows command line?
... code pages.
@ECHO off
SET ROOT_KEY="HKEY_CURRENT_USER"
FOR /f "skip=2 tokens=3" %%i in ('reg query HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Nls\CodePage /v OEMCP') do set OEMCP=%%i
ECHO System default values:
ECHO.
ECHO ...............................................
ECHO Select Co...
Sending POST data in Android
... JSONObject root = new JSONObject();
//
String token = Static.getPrefsToken(context);
root.put("securityInfo", Static.getSecurityInfo(context));
root.put("advertisementId", advertisementId);
Log.e(TAG, "12 - root : " + root.toString()...
Open another application from your own (intent)
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Not to be a stickler, but there's no reason to allocate a new Intent on the first line given you use the result of the getLaunchIntentForPackage call.
– Chris Lacy
Apr 28 '13 at 11:12
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COUNT(*) vs. COUNT(1) vs. COUNT(pk): which is better? [duplicate]
...to each other, they are entirely different thing, they just share a common token, i.e. *.
An alternate syntax
In fact, if it is not permitted to name a field as same as its table name, RDBMS language designer could give COUNT(tableNameHere) the same semantics as COUNT(*). Example:
For counting ro...
Convert any object to a byte[]
... unmanaged buffers required.
var bytes = new byte[size];
var ptr = Marshal.AllocHGlobal(size);
// Copy object byte-to-byte to unmanaged memory.
Marshal.StructureToPtr(your_object, ptr, false);
// Copy data from unmanaged memory to managed buffer.
Marshal.Copy(ptr, bytes, 0, size);
// Release unmanag...
What does passport.session() middleware do?
...y Express, is a unique ID which is roughly equivalent to an authentication token that the browser sends with every request. The data stored in this session is used to restore the authentication state of the user.
– Jared Hanson
Feb 27 '14 at 16:07
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Remove specific characters from a string in Python
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This probably isn't performant because you're allocating a new string for every character
– OneCricketeer
Dec 3 '18 at 14:37
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