大约有 40,000 项符合查询结果（耗时：0.0337秒） [XML]
Detecting if an NSString contains…?
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Actually, "length" of NSRange should be tested...not "location".Here it is directly from source: "These methods return length==0 if the target string is not found. So, to check for containment: ([str rangeOfString:@"target"].length > 0). Note that the length of...
Batch file. Delete all files and folders in a directory
...reate a batch file
Copy the below text into the batch file
set folder="C:\test"
cd /d %folder%
for /F "delims=" %%i in ('dir /b') do (rmdir "%%i" /s/q || del "%%i" /s/q)
It will delete all files and folders.
share
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How do I select text nodes with jQuery?
...ype == 3) {
if (includeWhitespaceNodes || nonWhitespaceMatcher.test(node.nodeValue)) {
textNodes.push(node);
}
} else {
for (var i = 0, len = node.childNodes.length; i < len; ++i) {
getTextNodes(node.childNodes[i]);
...
Difference between single and double square brackets in Bash
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Single [] are posix shell compliant condition tests.
Double [[]] are an extension to the standard [] and are supported by bash and other shells (e.g. zsh, ksh). They support extra operations (as well as the standard posix operations). For example: || instead of -o and r...
Android: install .apk programmatically [duplicate]
...file = new File(destination);
if (file.exists())
//file.delete() - test this, I think sometimes it doesnt work
file.delete();
//get url of app on server
String url = Main.this.getString(R.string.update_app_url);
//set downloadmanager
DownloadManager.Request request ...
How can I pretty-print JSON in a shell script?
...me issue, try this value: 1e1000. Note that python -mjson.tool fails this test badly in that it produces Infinity, which is not even JSON.
– peak
Sep 4 '15 at 2:38
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How can I tell if a library was compiled with -g?
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objdump -g gives me nothing for a simple test.o compiled both with and without g, making it effectively useless. Ubuntu 12.04, gcc 4.6.3, GNU objdump 2.22. nm -a seems to be more useful.
– jw013
Sep 20 '13 at 13:49
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How to check if a process is running via a batch script
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This solution works well - tested in Windows 8.1. I did notice that it is case-sensitive.
– oliver-clare
Dec 2 '14 at 11:18
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How to fix org.hibernate.LazyInitializationException - could not initialize proxy - no Session
... I'd seriously recommend to use this annotation on top of class only for testing. Real code should mark each method as transaction in class separately. Unless all the methods in class will require opened connection with transaction to database.
– m1ld
Dec 6 '...
Java: How to set Precision for double value? [duplicate]
... to N digits).
Rounds down the number (not round to nearest).
See sample test cases here.
123.12345678 ==> 123.123
1.230000 ==> 1.23
1.1 ==> 1.1
1 ==> 1.0
0.000 ==> 0.0
0.00 ==> 0.0
0.4 ==> 0.4
0 ==> 0.0
1.4999 ==> 1.499
1.4995 ==> 1.499
1.4994 ==> 1.499
Here's ...