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String.replaceAll single backslashes with double backslashes
...ument as a regular expression. The \ is an escape character in both String and regex. You need to double-escape it for regex:
string.replaceAll("\\\\", "\\\\\\\\");
But you don't necessarily need regex for this, simply because you want an exact character-by-character replacement and you don't nee...
Rolling back a remote Git repository
I have a remote Git repository, and I need to roll back the last n commits into cold oblivion.
4 Answers
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Can we have multiple “WITH AS” in single sql - Oracle SQL
...alias from the first subquery to the second subquery? In this case the abc and xyz subqueries? I need to get the result of the first subquery and use it on the second subquery.
– Wax
Feb 21 '17 at 5:55
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Fit cell width to content
...
I'm not sure if I understand your question, but I'll take a stab at it. JSfiddle of the example.
HTML:
<table style="width: 100%;">
<tr>
<td class="block">this should stretch</td>
<td class="block">this should ...
How to use the 'sweep' function
...
sweep() is typically used when you operate a matrix by row or by column, and the other input of the operation is a different value for each row / column. Whether you operate by row or column is defined by MARGIN, as for apply(). The values used for what I called "the other input" is defined by STA...
How do I validate a date string format in python?
...xcept? Python tends to slow down significantly when an exception is raised and caught.
– chiffa
Sep 6 '16 at 1:26
1
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Java - No enclosing instance of type Foo is accessible
...on the fly :P
}
The last solution (a non-static nested class) would be mandatory if any instance of Thing depended on an instance of Hello to be meaningful. For example, if we had:
public class Hello {
public int enormous;
public Hello(int n) {
enormous = n;
}
public cl...
Clean up a fork and restart it from the upstream
I have forked a repository, then I made some changes and it looks like I've messed up everything.
4 Answers
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What is a “first chance exception”?
What exactly is a first chance exception? How and where does it originate in a .NET program? And why is it called by that peculiar name (what 'chance' are we talking about)?
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Do I need a content-type header for HTTP GET requests?
...e.
It means that the Content-Type HTTP header should be set only for PUT and POST requests.
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