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How to determine if Javascript array contains an object with an attribute that equals a given value?
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You don't need a flag if all you need to know is whether or not "something" is in, you can just check the value of the scan index with the size of array. For this to work the index var needs to be declared before the for statement of course.
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How to use > in an xargs command?
...2k because when you don't use -0, xargs will take your filenames and break all the spaces, quotes and backslashes in them. You should just forget about xargs as a tool. If you have lines, use a bash loop to iterate the lines: while read line; do <command> "$REPLY"; done < file-with-lines...
Capitalize only first character of string and leave others alone? (Rails)
...ying to get Rails to capitalize the first character of a string, and leave all the others the way they are. I'm running into a problem where "i'm from New York" gets turned into "I'm from new york."
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How to view the list of compile errors in IntelliJ?
I am looking for a way to view all compile errors in IntelliJ, similar to how they are displayed in Eclipse. I tried searching here and Google but have not really found a solution. I really like IntelliJ, I recently converted to it from Eclipse, and I hope this is just something I am missing and n...
How to compare UIColors?
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I use blocks all the tine, but I've never seen syntax quite like this before. I guess maybe I've not used a block that returned an object. It's what's on the left side of the = that I was posting about.
– Victor Enge...
Store query result in a variable using in PL/pgSQL
...s, as @Pavel commented.
I shortened the syntax with a table alias additionally.
Update: I removed my code example and suggest to use IF EXISTS() instead like provided by @Pavel.
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How does Duff's device work?
...he article on Wikipedia on the Duff's device , and I don't get it. I am really interested, but I've read the explanation there a couple of times and I still don't get it how the Duff's device works.
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How to apply !important using .css()?
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small fix when style is empty: $('#elem').attr('style', function(i,s) { return (s||'') + 'width: 100px !important;' });
– falko
Oct 10 '13 at 8:47
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Controlling mouse with Python
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Tested on WinXP, Python 2.6 (3.x also tested) after installing pywin32 (pywin32-214.win32-py2.6.exe in my case):
import win32api, win32con
def click(x,y):
win32api.SetCursorPos((x,y))
win32api.mouse_event(win32con.MOUSEEVENTF_LEFTDOWN,x,y,0,0)
win32api.mouse_event(win...
Set “this” variable easily?
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There are two methods defined for all functions in JavaScript, call(), and apply(). The function syntax looks like:
call( /* object */, /* arguments... */ );
apply(/* object */, /* arguments[] */);
What these functions do is call the function they were inv...