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str performance in python
...09341430664
Do note that str is still slightly slower, as @DietrichEpp said, this is because str involves lookup and function call operations, while % compiles to a single immediate bytecode:
>>> dis.dis(lambda x: str(x))
9 0 LOAD_GLOBAL 0 (str)
3 L...
Setting environment variables for accessing in PHP when using Apache
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
What is the difference between double-ampersand (&&) and semicolon (;) in Linux Bash?
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The && operator is a boolean AND operator: if the left side returns a non-zero exit status, the operator returns that status and does not evaluate the right side (it short-circuits), otherwise it evaluates the right side and returns its exit status. This is commonly used to make ...
keep rsync from removing unfinished source files
... want to move the files from speed to mass after they're done downloading. Ideally, I'd just run:
4 Answers
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How to use CMAKE_INSTALL_PREFIX
...o cache)
CIP = /foo/bar/bubba (should be /foo/bar/bubba
-- The C compiler identification is GNU 4.4.7
-- etc, etc,...
CIP = /usr/local (should be /foo/bar/bubba
CIP = /foo/bar/bubba (should be /foo/bar/bubba
-- Configuring done
-- Generating done
Second run
CIP = /foo/bar/bubba (should be /foo/b...
How to make Scroll From Source feature always enabled?
How to enable "Scroll from source" in IntelliJ IDEA so it is always on, meaning if you open any file it is automatically shown in Project view, likewise it is made in Eclipse?
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What is “Power Save Mode” in IntelliJ IDEA and other Jetbrains IDEs?
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It's a setting to stop the IDE from automatically performing the full range of battery-hungry code inspections in the background as you type.
You should find that with powersave turned on, syntax errors will still get highlighted, but iffy code constr...
git push fails: RPC failed; result=22, HTTP code = 411
...ng error git: RPC failed; result=22, HTTP code = 504 in bitbucket on android studio
– DJtiwari
Nov 3 '15 at 9:53
...
Using FileSystemWatcher to monitor a directory
...ying. I removed all of the notify filters except for LastWrite.
private void watch()
{
FileSystemWatcher watcher = new FileSystemWatcher();
watcher.Path = path;
watcher.NotifyFilter = NotifyFilters.LastWrite;
watcher.Filter = "*.*";
watcher.Changed += new FileSystemEventHandler(OnChanged)...
Why is Class.newInstance() “evil”?
...erwise be performed by the compiler. The Constructor.newInstance method avoids this problem by wrapping any exception thrown by the constructor in a (checked) InvocationTargetException.
In other words, it can defeat the checked exceptions system.
...