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Getting and removing the first character of a string
I would like to do some 2-dimensional walks using strings of characters by assigning different values to each character. I was planning to 'pop' the first character of a string, use it, and repeat for the rest of the string.
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setNeedsLayout vs. setNeedsUpdateConstraints and layoutIfNeeded vs updateConstraintsIfNeeded
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The answer by coverback is pretty correct. However, I would like to add some additional details.
Below is the diagram of a typical UIView cycle which explains other behaviors:
I've found out that if I use -setNeedsLayout instead of...
How to run mvim (MacVim) from Terminal?
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You can locate the file by using find from your root directory. sudo find . -name mvim Mine was in /Applications/MacVim-snapshot-64/mvim.
– tltjr
Aug 26 '12 at 21:32
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Inserting string at position x of another string
...les and need to insert string b into string a at the point represented by position . The result I'm looking for is "I want an apple". How can I do this with JavaScript?
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Adjusting the Xcode iPhone simulator scale and size [duplicate]
... has three scales, 100%, 75% and 50%. You can change between them any time by pressing CMD+1, CMD+2, CMD+3 or from Window menu.
Note that 100%-mode is very helpful for graphic checks, on full resolution you will be able to notice all defects or measure point size of the elements.
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How do we use runOnUiThread in Android?
...out.activity_android_basic_thread);
textView = (TextView) findViewById(R.id.textview);
MyAndroidThread myTask = new MyAndroidThread(AndroidBasicThreadActivity.this);
Thread t1 = new Thread(myTask, "Bajrang");
t1.start();
}
}
1.) By passing Activity's instanc...
Why would a post-build step (xcopy) occasionally exit with code 2 in a TeamCity build?
...ory, echo in D:
echo D|xcopy /y ...
Sometimes the above can be resolved by simply using a copy command instead of xcopy:
copy /y ...
However, if there are non-existent directories leading up to the final file destination, then an "exited with code 1" will occur.
Remember: use the /C switch an...
Simple calculations for working with lat/lon and km distance?
... edited May 12 '16 at 17:04
Toby Speight
22.1k1313 gold badges5454 silver badges7979 bronze badges
answered Aug 10 '09 at 7:32
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jQuery select all except first
... evaluated right-to-left, the quite readable li:not(:first) is slowed down by that evaluation.
An equally fast and easy to read solution is using the function version .not(":first"):
e.g.
$("li").not(":first").hide();
JSPerf: http://jsperf.com/fastest-way-to-select-all-expect-the-first-one/6
T...
Preserve line endings
...e for MS-DOS, Windows, Cygwin—text files are composed of lines separated by a carriage return and a line feed character, and sed does not see the ending CR. When this option is specified, sed will open input files in binary mode, thus not requesting this special processing and considering lines to...