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Convert a string to regular expression ruby
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Combining the answers can avoid string interpolation: Regexp.new(Regexp.quote(your_string_variable))
– Ekkstein
Nov 24 '19 at 23:44
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java: (String[])List.toArray() gives ClassCastException
The following code (run in android) always gives me a ClassCastException in the 3rd line:
4 Answers
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What is [Serializable] and when should I use it?
...he developer to save the state of an object and recreate it as needed, providing storage of objects as well as data exchange. Through serialization, a developer can perform actions like sending the object to a remote application by means of a Web Service, passing an object from one domain to another...
Specifying Maven's local repository location as a CLI parameter
... The local repository must be an absolute path, maven.apache.org/guides/mini/guide-configuring-maven.html.
– luka5z
Dec 28 '16 at 16:21
3
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What is meant by Ems? (Android TextView)
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android:ems or setEms(n) sets the width of a TextView to fit a text of n 'M' letters regardless of the actual text extension and text size. See wikipedia Em unit
but only when the layout_width is set to "wrap_content". Other layo...
How to write multiple line string using Bash with variables?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
StackExchange.using("externalEditor", function() {
// Have to fire editor after snippets, if snippets enabled...
How to escape a pipe char in a code statement in a markdown table?
... As of March 2019, in Gitlab Wikis, you still need to use "|" inside the markup code.
– knb
Mar 22 '19 at 13:52
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Get Unix Epoch Time in Swift
...you have to account for networking delays and check for connectivity. I decided to just use Foundation...
– Chase Roberts
Dec 9 '16 at 20:23
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Mixins vs. Traits
...define instance variables. Traits do not allow this. The state must be provided by composing class (=class using the traits)
ad 2.
There may be the name conflict. Two mixins (MA and MB) or traits (TA and TB) define method with the same definition foo():void.
Mixin MA {
foo():void {
pri...
git: difference between “branchname” and “refs/heads/branchname”
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See, branchName needs to be fully resolved before GIT can actually identify it. The fully resolved name will be refs/heads/branchName.
One of the famous commandsgit checkout branchName actually automatically resolves it fully to identify where you want to checkout. Note that it does it aut...