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How to generate string of a certain length to insert into a file to meet a file size criteria?
...will automatically generate the files. I know the size of each file, ex. 100KB, and how many files to generate. What I need help with is how to generate a string less than or equal to the required file size.
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delete map[key] in go?
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coolaj86
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answered Nov 15 '09 at 1:22
user181548user...
UILabel text margin [duplicate]
...ng its origin won't do the trick. It would be ideal to inset the text by 10px or so on the left hand side.
38 Answers
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Difference between var_dump,var_export & print_r
...the result.
// var_dump(array('', false, 42, array('42')));
array(4) {
[0]=> string(0) ""
[1]=> bool(false)
[2]=> int(42)
[3]=> array(1) {[0]=>string(2) "42")}
}
print_r is for debugging purposes, too, but does not include the member's type. It's a good idea to use if you k...
Printf width specifier to maintain precision of floating-point value
...n:
#include <float.h>
int Digs = DECIMAL_DIG;
double OneSeventh = 1.0/7.0;
printf("%.*e\n", Digs, OneSeventh);
// 1.428571428571428492127e-01
But let's dig deeper ...
Mathematically, the answer is "0.142857 142857 142857 ...", but we are using finite precision floating point numbers.
Let...
Creating a JavaScript cookie on a domain and reading it across sub domains
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209
Just set the domain and path attributes on your cookie, like:
<script type="text/javascript...
How do you run a command for each line of a file?
...txt
If you have special chars and/or a lot of lines in file.txt.
xargs -0 chmod 755 < <(tr \\n \\0 <file.txt)
if your command need to be run exactly 1 time by entry:
xargs -0 -n 1 chmod 755 < <(tr \\n \\0 <file.txt)
This is not needed for this sample, as chmod accept multip...
How to prevent page scrolling when scrolling a DIV element?
...'.scrollable' ).on( 'mousewheel DOMMouseScroll', function ( e ) {
var e0 = e.originalEvent,
delta = e0.wheelDelta || -e0.detail;
this.scrollTop += ( delta < 0 ? 1 : -1 ) * 30;
e.preventDefault();
});
Live demo: https://jsbin.com/howojuq/edit?js,output
So you manually set t...
解决：Run-Time Check Failure #0，The value of ESP was not properly sav...
解决：Run-Time Check Failure #0，The value of ESP was not properly saved调用DLL函数，出现错误Run-Time Check Failure #0 - The value of ESP was not properly saved across a function call. ...调用DLL函数，出现错误
Run-Time Check Failure #0 - The value of ESP was not properly saved...
How do I set cell value to Date and apply default Excel date format?
I've been using Apache POI for some time to read existing Excel 2003 files programmatically. Now I have a new requirement to create entire .xls files in-memory (still using Apache POI) and then write them to a file at the end. The only problem standing in my way is the handling of cells with dates.
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