大约有 40,000 项符合查询结果（耗时：0.0478秒） [XML]
List files ONLY in the current directory
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import os
destdir = '/var/tmp/testdir'
files = [ f for f in os.listdir(destdir) if os.path.isfile(os.path.join(destdir,f)) ]
share
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improve this answe...
Differences between Perl and PHP [closed]
...$foo ||= 'default' to set $foo to a value if it's not already set. The shortest way of doing this in PHP is $foo = isset($foo) ? $foo : 'default'; (Update, in PHP 7.0+ you can do $foo = $foo ?? 'default')
Perl variable names indicate built-in type, of which Perl has three, and the type specifier is ...
Accessing an array out of bounds gives no error, why?
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Welcome to every C/C++ programmer's bestest friend: Undefined Behavior.
There is a lot that is not specified by the language standard, for a variety of reasons. This is one of them.
In general, whenever you encounter undefined behavior, anything might happen. T...
CSS selector for first element with class
... @Willem Just change first-child to last-child, but I see after testing that this doesn't always does the trick.
– A1rPun
Sep 29 '14 at 8:19
3
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git merge: apply changes to code that moved to a different file
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$ git init
Initialized empty Git repository in /tmp/git-rename-and-modify-test/.git/
$ echo "A file." > file.txt
$ git add file.txt
$ git commit -am "file.txt added."
[master (root-commit) 401b10d] file.txt added.
1 file changed, 1 insertion(+)
create mode 100644 file.txt
Create a branch wh...
How to set conditional breakpoints in Visual Studio?
...irst time.
Use the Immediate Window (Debug > Windows > Immediate) to test your expression.
Right-click the breakpoint, click Condition and paste in your
expression.
Advantages of using the Immediate window:
It has IntelliSense.
You can be sure that the variables in the expression are in sc...
How to filter specific apps for ACTION_SEND intent (and set a different text for each app)
...areIntent = findTwitterClient();
shareIntent.putExtra(Intent.EXTRA_TEXT, "test");
startActivity(Intent.createChooser(shareIntent, "Share"));
Calling this method:
public Intent findTwitterClient() {
final String[] twitterApps = {
// package // name - nb installs (thousands)
...
log4j vs logback [closed]
...ck. This lead to some improvements like in example Log4j 2 operates with bytestreams instead of Strings under the hood. Also it doesn't loose events while reconfiguring.
Log4j 2 can log with higher speed than other frameworks I know: http://www.grobmeier.de/log4j-2-performance-close-to-insane-20072...
How to draw a path on a map using kml file?
...= false;
private boolean in_pointtag = false;
private boolean in_coordinatestag = false;
private StringBuffer buffer;
private NavigationDataSet navigationDataSet = new NavigationDataSet();
// ===========================================================
// Getter & Setter
// =========...
How can I use Google's Roboto font on a website?
... Cool thing, they provide an @import for LESS files too! However, testing w/o internet connection OR Google connection issues (e.g.: China) = NO Fonts... I also noticed that there is no Roboto Black (Roboto Bk) font-family: they actually only use 3 font families (Roboto, Roboto Condensed an...