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Transform DateTime into simple Date in Ruby on Rails
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167
DateTime#to_date does exist with ActiveSupport:
$ irb
>> DateTime.new.to_date
NoMethodE...
Add a new element to an array without specifying the index in Bash
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1599
Yes there is:
ARRAY=()
ARRAY+=('foo')
ARRAY+=('bar')
Bash Reference Manual:
In the con...
Regex to remove all (non numeric OR period)
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169
This should do it:
string s = "joe ($3,004.50)";
s = Regex.Replace(s, "[^0-9.]", "");
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arrayfun can be significantly slower than an explicit loop in matlab. Why?
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101
You can get the idea by running other versions of your code. Consider explicitly writing out t...
Why in Java 8 split sometimes removes empty strings at start of result array?
...d Java 8. The code is retrieved from grepcode, for version 7u40-b43 and 8-b132.
Java 7
public String[] split(CharSequence input, int limit) {
int index = 0;
boolean matchLimited = limit > 0;
ArrayList<String> matchList = new ArrayList<>();
Matcher m = matcher(input);...
How do I reverse a C++ vector?
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edited Jan 16 '12 at 9:50
Luc Touraille
70.3k1313 gold badges8181 silver badges134134 bronze badges
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Does uninstalling a package with “pip” also remove the dependent packages?
... all the packages here are dependencies of specloud package
figleaf==0.6.1
nose==1.1.2
pinocchio==0.3
specloud==0.4.5
$ pip uninstall specloud
$ pip freeze
figleaf==0.6.1
nose==1.1.2
pinocchio==0.3
As you can see those packages are dependencies from specloud and they're still there, but not th...
Set scroll position
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182
You can use window.scrollTo(), like this:
window.scrollTo(0, 0); // values are x,y-offset
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How can I get the Typescript compiler to output the compiled js to a different directory?
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138
Use the option --outDir on tsc (configured within the File Watcher in IntelliJ)
From the comm...
Preventing scroll bars from being hidden for MacOS trackpad users in WebKit/Blink
WebKit/Blink's (Safari/Chrome) default behaviour on MacOS since 10.7 (Mac OS X Lion) is to hide scroll bars from trackpad users when they're not in use. This can be confusing ; the scroll bar is often the only visual cue that an element is scrollable.
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