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How to find all occurrences of a substring?
... powerful regular expressions:
import re
[m.start() for m in re.finditer('test', 'test test test test')]
#[0, 5, 10, 15]
If you want to find overlapping matches, lookahead will do that:
[m.start() for m in re.finditer('(?=tt)', 'ttt')]
#[0, 1]
If you want a reverse find-all without overlaps, y...
How can we access context of an application in Robolectric?
...ment.application;
And for version 4.x:
add to your build.gradle file:
testImplementation 'androidx.test:core:1.0.0'
retrieve the context with:
ApplicationProvider.getApplicationContext()
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Linux scp 远程文件上传下载，指定端口 - 操作系统(内核) - 清泛网 - 专注C...
...载，指定端口linux-scp1、默认22端口上传、下载文件：scp test tgz root@xxx xxx xxx xxx: tmpscp root@xxx xxx xxx xxx: tmp test tgz 2、指定端口：scp -P8888 root@xxx xxx xxx xxx: tmp test tgz 1、默认22端口上传、下载文件：
scp test.tgz root@xxx.xxx.xxx.xxx:/tmp
s...
Are Java static calls more or less expensive than non-static calls?
...ime: 3.12 memory: 320576 signal:0
Name | Iterations
VirtualTest | 128009996
NonVirtualTest | 301765679
StaticTest | 352298601
Done.
As expected, virtual method calls are the slowest, non-virtual method calls are faster, and static method calls are even faster.
What I di...
“NODE_ENV” is not recognized as an internal or external command, operable command or batch file
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People who couldn't make it work, "test-unit": "SET NODE_ENV=test & mocha --require co-mocha 'test.js'" wrong "test-unit": "SET NODE_ENV=test & mocha --require co-mocha test.js" true. You need to remove the ' ' around the js file.
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Checking if object is empty, works with ng-show but not from controller?
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thanks! actually i ended up testing it with undefined and it worked great. thanks.
– Martin
Jul 27 '13 at 13:09
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How to create a zip file in Java
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Look at this example:
StringBuilder sb = new StringBuilder();
sb.append("Test String");
File f = new File("d:\\test.zip");
ZipOutputStream out = new ZipOutputStream(new FileOutputStream(f));
ZipEntry e = new ZipEntry("mytext.txt");
out.putNextEntry(e);
byte[] data = sb.toString().getBytes();
out...
Efficient way to remove ALL whitespace from String?
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This is fastest way I know of, even though you said you didn't want to use regular expressions:
Regex.Replace(XML, @"\s+", "")
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How to profile methods in Scala?
...nge, I am pasting the relevant content below.
SPerformance - Performance Testing framework aimed at automagically comparing performance tests and working inside Simple Build Tool.
scala-benchmarking-template - SBT template project for creating Scala (micro-)benchmarks based on Caliper.
Metrics - C...
Soft hyphen in HTML ( vs. ­)
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@gclj5 I just tested find on a ­ word in Chrome v21, and it correctly ignores the soft hyphen. Not sure about IE, FF and other browsers though.
– evanrmurphy
Oct 23 '12 at 21:01
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