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random.seed(): What does it do?
...andom number generators work by performing some operation on a value. Generally this value is the previous number generated by the generator. However, the first time you use the generator, there is no previous value.
Seeding a pseudo-random number generator gives it its first "previous" value. Each...
Default height for section header in UITableView
...aticDimension returns -1 (hardcoded const) and I don't see any sections at all in my UITableView.
– skywinder
Sep 22 '13 at 21:17
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How to compare strings in Bash
...if [ = "valid" ]; then
Non-standard use of == operator
Note that Bash allows == to be used for equality with [, but this is not standard.
Use either the first case wherein the quotes around $x are optional:
if [[ "$x" == "valid" ]]; then
or use the second case:
if [ "$x" = "valid" ]; then
...
How can I check if a View exists in a Database?
...oc msdn.microsoft.com/en-us/library/ms190328.aspx - and this one gives you all the object types : msdn.microsoft.com/en-us/library/ms190324.aspx
– Simon_Weaver
May 26 '16 at 7:04
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':app:lintVitalRelease' error when generating signed apk
...etter to correct the error! It is also possible to generate the report manually with gradlew lint or via an IDE, see developer.android.com/studio/write/lint
– Anigif
May 24 '18 at 8:49
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What is IP address '::1'?
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Xaqron, maybe a firewall is blocking v4 but not v6 traffic?
– SilverbackNet
Jan 6 '11 at 3:25
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Generate unique random numbers between 1 and 100
...mber between 0 (inclusive) and 1 (exclusive). If the Math.random() accidentally returns 0, the Math.ceil(0) is also 0, though the chance is low.
– Qian Chen
Apr 22 '15 at 9:58
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What are the different usecases of PNG vs. GIF vs. JPEG vs. SVG?
...ompression: Lossless and Lossy.
Lossless means that the image is made smaller, but at no detriment to the quality.
Lossy means the image is made (even) smaller, but at a detriment to the quality. If you saved an image in a Lossy format over and over, the image quality would get progressively wor...
html5 - canvas element - Multiple layers
...er, for zero lengths the unit identifier is optional (i.e. can be syntactically represented as the <number> 0)." w3.org/TR/css3-values/#lengths
– xehpuk
Feb 18 '16 at 23:00
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How to get the path of the batch script in Windows?
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%~dp0 will be the directory. Here's some documentation on all of the path modifiers. Fun stuff :-)
To remove the final backslash, you can use the :n,m substring syntax, like so:
SET mypath=%~dp0
echo %mypath:~0,-1%
I don't believe there's a way to combine the %0 syntax with the ...