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Find indices of elements equal to zero in a NumPy array
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numpy.where() is my favorite.
>>> x = numpy.array([1,0,2,0,3,0,4,5,6,7,8])
>>> numpy.where(x == 0)[0]
array([1, 3, 5])
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How do detect Android Tablets in general. Useragent?
...e recommend that manufactures of large-form-factor devices remove "Mobile" from the User Agent...
Most Android tablet user-agent strings I've seen use mobile safari, e.g. the Samsung Galaxy Tab:
Mozilla/5.0 (Linux; U; Android 2.2; en-us; SCH-I800 Build/FROYO) AppleWebKit/533.1 (KHTML, like Gec...
Static class initializer in PHP
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How is it able to call private init from outside the class? Can you explain the details of what you are doing here?
– ToolmakerSteve
Apr 12 '19 at 16:45
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Insert line after first match using sed
...he first line matched. Especially handy if you're adding a line that comes from a variable where you'd otherwise have to escape everything first using ${var//} before, or another sed statement etc.
This solution is a little less messy in scripts (that quoting and \n is not easy to read though), whe...
How to make an AJAX call without jQuery?
...) method allow you to make web requests.
For example, to request some json from /get-data:
var opts = {
method: 'GET',
headers: {}
};
fetch('/get-data', opts).then(function (response) {
return response.json();
})
.then(function (body) {
//doSomething with body;
});
See here for more...
How do I list all versions of a gem available at a remote site?
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205
Well, it was easier than I thought (well, not really, let's say as easy as it should be):
gem ...
Postgresql - change the size of a varchar column to lower length
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I was facing the same problem trying to truncate a VARCHAR from 32 to 8 and getting the ERROR: value too long for type character varying(8). I want to stay as close to SQL as possible because I'm using a self-made JPA-like structure that we might have to switch to different DBMS acco...
AngularJS : Difference between the $observe and $watch methods
...swer this question. The reputation requirement helps protect this question from spam and non-answer activity.
Not the answer you're looking for? Browse other questions t...
uint8_t can't be printed with cout
...iously? functional style cast, also, is just c style casting. changing one from the other doesn't help in anything in leaving the realm of C, check: stackoverflow.com/a/4775807/1000282. pete-becker commented this on your answer too, but you seem to have missed his last comment.
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Searching for UUIDs in text with regex
...e five equivalent string representations for a GUID:
"ca761232ed4211cebacd00aa0057b223"
"CA761232-ED42-11CE-BACD-00AA0057B223"
"{CA761232-ED42-11CE-BACD-00AA0057B223}"
"(CA761232-ED42-11CE-BACD-00AA0057B223)"
"{0xCA761232, 0xED42, 0x11CE, {0xBA, 0xCD, 0x00, 0xAA, 0x00, 0x57, 0xB2, 0x23}}"
...
