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MySQL: Can't create table (errno: 150)
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From the MySQL - FOREIGN KEY Constraints Documentation:
If you re-create a table that was dropped, it must have a definition that conforms to the foreign key constraints referencing it. It must have the correct column nam...
When to use AtomicReference in Java?
...rst need to obtain a lock on that object. This prevents some other thread from coming in during the meantime and changing the value in the middle of the new string concatenation. Then when your thread resumes, you clobber the work of the other thread. But honestly that code will work, it looks cle...
Objective-C for Windows
... Objective-C++ with GNUStep a few years ago. However, GNUStep does compile from just about any platform. Cocotron is a very mac-centric project. Although it is probably possible to compile it on other platforms, it comes XCode project files, not makefiles, so you can only compile its frameworks out ...
Database cluster and load balancing
...s how do they keep the data between synchronized. And how does this differ from load balancing from a database server perspective?
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How to prevent open last projects when intellij idea start
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Also works for other IDE's from JetBrains such as CLion.
– gbmhunter
Jun 27 '17 at 21:42
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What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
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From this excellent article: ArrayIndexOutOfBoundsException in for loop
To put it briefly:
In the last iteration of
for (int i = 0; i <= name.length; i++) {
i will equal name.length which is an illegal index, since ar...
How to form tuple column from two columns in Pandas
...a%2f%2fstackoverflow.com%2fquestions%2f16031056%2fhow-to-form-tuple-column-from-two-columns-in-pandas%23new-answer', 'question_page');
}
);
Post as a guest
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TortoiseGit not showing icon overlays
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I had the same problem and I got it to work by following instructions from a forum. What I did was this (copied):
I find solution :)
Wrapping with "" all tortoise keys under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\ShellIconOverlayIdentifiers
on 1Torto...
How can I do DNS lookups in Python, including referring to /etc/hosts?
...e latter,
import socket
print(socket.gethostbyname('localhost')) # result from hosts file
print(socket.gethostbyname('google.com')) # your os sends out a dns query
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Piping buffer to external command in Vim
...ets say mail). My final purpose is to set a shortcut to quickly send email from current Vim buffer. I am guessing this should be a trivial stuff, but I couldn't find a way to send Vim buffer to an external command. Thanks in advance.
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