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JavaScript + Unicode regexes
...ts you build a JavaScript regular expression that matches characters that fall in any number of specified Unicode blocks.
I just did it for the "General Punctuation" and "Supplemental Punctuation" sub-ranges, and the result is as simple and straight-forward as I would have expected it:
[\u2000-\u20...
How to get the caller's method name in the called method?
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This seems to work just fine:
import sys
print sys._getframe().f_back.f_code.co_name
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Store print_r result into a variable as a string or text
If I use print_ r or var_dump it displays the result on the screen, but I want this data to be stored in a variable so that I can write it to a file.
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Facebook Post Link Image
When someone posts a link on facebook, a script usually scans that link for any images, and displays a quick thumbnail next to the post. For certain URLs though (including mine), FB doesn't seem to pick up anything, despite their being a number of images on that page.
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What are free monads?
...r monad, and the second one gives you a way to "get out" of it.
More generally, if X is a Y with some extra stuff P, then a "free X" is a a way of getting from a Y to an X without gaining anything extra.
Examples: a monoid (X) is a set (Y) with extra structure (P) that basically says it has an ope...
ios Upload Image and Text using HTTP POST
...programmed to accept.
NSMutableDictionary* _params = [[NSMutableDictionary alloc] init];
[_params setObject:[NSString stringWithString:@"1.0"] forKey:[NSString stringWithString:@"ver"]];
[_params setObject:[NSString stringWithString:@"en"] forKey:[NSString stringWithString:@"lan"]];
[_params setObje...
How to instantiate a File object in JavaScript?
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@PA.Buisson I'm not sure if this holds for all cases(it was sufficient for me), but you can use the Blob() constructor instead, as suggested here
– raymondboswel
Jan 23 '17 at 10:07
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What is the best way to trigger onchange event in react js
...s we wanted because React library overrides input value setter but we can call the function directly on the input as context.
var nativeInputValueSetter = Object.getOwnPropertyDescriptor(window.HTMLInputElement.prototype, "value").set;
nativeInputValueSetter.call(input, 'react 16 value');
var ev2 ...
Get Character value from KeyCode in JavaScript… then trim
... get garbage. The problem is that keyCode does not correspond to ASCII for all characters. The ASCII character for semicolon is 59. Same issue is true of every special character, keyCode does NOT return the right code for String.fromCharCode().
– Alexander Tsepkov
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Unable to modify ArrayAdapter in ListView: UnsupportedOperationException
...gt; adapter = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, lst);
Cheers!
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