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How do I choose between Semaphore and SemaphoreSlim?
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SemaphoreSlim is based on SpinWait and Monitor, so the thread that waits to acquire the lock is burning CPU cycles for some time in hope to acquire the lock prior to yielding to another thread. If that does not happen, then the threads lets t...
How do I view the SQLite database on an Android device? [duplicate]
I have a set of data in an SQLite database. I need to view the database on a device. How do I do that?
19 Answers
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Convert columns to string in Pandas
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How to see an HTML page on Github as a normal rendered HTML page to see preview in browser, without
...e a gh-pages branch (if one already exists, remove it and create a new one based off master).
Push the branch back to GitHub.
View the pages at http://username.github.io/repo`
In code:
git clone git@github.com:username/repo.git
cd repo
git branch gh-pages
# Might need to do this first: git branch...
How to print register values in GDB?
...omit the % sign. For example,
info registers eip
If your executable is 64 bit, the registers start with r. Starting them with e is not valid.
info registers rip
Those can be abbreviated to:
i r rip
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Make Adobe fonts work with CSS3 @font-face in IE9
...he appropriate tool you can set it to installable embedding allowed.
For a 64-bit version, check @user22600's answer.
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How to solve “Fatal error: Class 'MySQLi' not found”?
...mazon linux, it would be something like sudo yum install php56-mysqlnd.x86_64 (pick the one matching to which version of php you have installed)
– auspicious99
Dec 3 '18 at 10:46
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jQuery - selecting elements from inside a element
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our
Difference between and
...nt of the XML config into the following entry:
<context:component-scan base-package="com.xxx" />
When I load the context I get the following output:
creating bean B: com.xxx.B@1be0f0a
creating bean C: com.xxx.C@80d1ff
Hmmmm... something is missing. Why?
If you look closelly at the clas...
How to convert wstring into string?
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Here is a worked-out solution based on the other suggestions:
#include <string>
#include <iostream>
#include <clocale>
#include <locale>
#include <vector>
int main() {
std::setlocale(LC_ALL, "");
const std::wstring ws =...