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How do I trim leading/trailing whitespace in a standard way?
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164
If you can modify the string:
// Note: This function returns a pointer to a substring of the o...
Regular expression to match URLs in Java
...EDIT: Code of Patterns from https://github.com/android/platform_frameworks_base/blob/master/core/java/android/util/Patterns.java :
/*
* Copyright (C) 2007 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in co...
Is volatile expensive?
...zed block. Entering a synchronized block requires an atomic compareAndSet based write to take out the lock and a volatile write to release it. If the lock is contented then control has to pass from user space to kernel space to arbitrate the lock (this is the expensive bit). Accessing a volatile ...
Unresolved external symbol in object files
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I had an error where my project was compiled as x64 project. and I've used a Library that was compiled as x86.
I've recompiled the library as x64 and it solved it.
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Installing multiple instances of the same windows service on a server
...service running on the same server and configured to point at separate databases.
10 Answers
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How to create a zip archive of a directory in Python?
...tar
root_dir=None, # root for archive - current working dir if None
base_dir=None) # start archiving from here - cwd if None too
Here the zipped archive will be named zipfile_name.zip. If base_dir is farther down from root_dir it will exclude files not in the base_dir, but still archive t...
Redeploy alternatives to JRebel [closed]
...s recent versions of Java 7 and 8. The maintainer provides binaries for 32/64 bits VMs on Windows/Linux. Starting with Java 11 the project moved to a new GitHub repository and now also provides binaries for OS X.
DCEVM is packaged for Debian and Ubuntu, it's conveniently integrated with OpenJDK and...
Function to convert column number to letter?
... Long
If iCol <= 26 Then
ColumnNumberToLetter = Chr(iCol + 64)
Else
lRemainder = iCol Mod 26
lAlpha = Int(iCol / 26)
If lRemainder = 0 Then
lRemainder = 26
lAlpha = lAlpha - 1
End If
ColumnNumberToLetter = ColumnNumb...
keytool error Keystore was tampered with, or password was incorrect
...ease make sure its for default debug.keystore file , not for your project based keystore file (Password might change for this).
Works well for MacOS Sierra 10.10+ too.
I heard, it works for linux environment as well. i haven't tested that in linux yet.
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How to find all serial devices (ttyS, ttyUSB, ..) on Linux without opening them?
...t access '/dev/serial/': No such file or directory Slackware 14.2 current x64
– jpka
Sep 11 '18 at 15:22
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