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Regex Named Groups in Java
...1)
As geofflane mentions in his answer, Java 7 now support named groups.
tchrist points out in the comment that the support is limited.
He details the limitations in his great answer "Java Regex Helper"
Java 7 regex named group support was presented back in September 2010 in Oracle's blog.
In t...
Why is it slower to iterate over a small string than a small list?
...string took longer than doing the same operation on a list of small single character strings. Any explanation? It's almost 1.35 times as much time.
...
How to prevent logback from outputting its own status at the start of every log when using a layout
...the status-information:
<configuration>
<statusListener class="ch.qos.logback.core.status.NopStatusListener" />
<!-- etc -->
</configuration>
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Why don't Java's +=, -=, *=, /= compound assignment operators require casting?
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So i+=j compiles as I checked myself, but it would result in loss of precision right? If that's the case, why doesn't it allow it to happen in i=i+j also? Why bug us there?
– bad_keypoints
Sep 22 '12 at 6:07
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PHP - Debugging Curl
...e output is very informative.
You can also use tcpdump or wireshark to watch the network traffic.
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Insert all values of a table into another table in SQL
... we have identity column
– Mohsen Tavoosi محسن طاوسی
Jun 13 '16 at 15:09
For this scenario with identity add ...
Why does Path.Combine not properly concatenate filenames that start with Path.DirectorySeparatorChar
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This is kind of a philosophical question (which perhaps only Microsoft can truly answer), since it's doing exactly what the documentation says.
System.IO.Path.Combine
"If path2 contains an absolute path, this method returns path2."
Here's the actual Combine method fr...
php发送get、post请求的几种方法 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...内容<?php$url='http: www.domain.com ';$html = file_get_contents($url);echo $...方法1：用file_get_contents 以get方式获取内容
<?php
$url='http://www.domain.com/';
$html = file_get_contents($url);
echo $html;
?>
方法2：用fopen打开url, 以get方式获取内容
...
Permutations in JavaScript?
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If you notice, the code actually splits the chars into an array prior to do any permutation, so you simply remove the join and split operation
var permArr = [],
usedChars = [];
function permute(input) {
var i, ch;
for (i = 0; i < input.length; i++) ...
How to grep a text file which contains some binary data?
...cat -v, e.g
$ cat -v tmp/test.log | grep re
line1 re ^@^M
line3 re^M
which could be then further post-processed to remove the junk; this is most analogous to your query about using tr for the task.
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