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How to sleep for five seconds in a batch file/cmd [duplicate]
...pinging a presumed non-existing IP, which by the way fails when network is down. Pinging localhost almost always works.
– rustyx
May 9 '14 at 8:01
...
Generating v5 UUID. What is name and namespace?
...eUploader: {
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What is a NullPointerException, and how do I fix it?
...e following is 2 minutes read to understand this amazing language feature.
https://jfeatures.com/blog/NullPointerException
In java 14 following is sample NullPointerException Exception message:
in thread "main" java.lang.NullPointerException: Cannot invoke "java.util.List.size()" because "list" is ...
Smallest data URI image possible for a transparent image
...
This guy breaks down the problem via the GIF spec. His solution for the transparent.gif would be 37 bytes:
data:image/gif;base64,R0lGODlhAQABAAAAACH5BAEKAAEALAAAAAABAAEAAAICTAEAOw==
He goes even smaller by first removing the transparency, t...
Error in finding last used cell in Excel with VBA
... which are highly unreliable and hence should never be used.
UsedRange
xlDown
CountA
UsedRange should NEVER be used to find the last cell which has data. It is highly unreliable. Try this experiment.
Type something in cell A5. Now when you calculate the last row with any of the methods given be...
Media Queries: How to target desktop, tablet, and mobile?
...always starting CSS and all markup with mobile-first (it's harder to scale down and focussing on the mobile means your design and content is pared down to the essentials, which you can expand as the sizes increase), one just above 400px wide (or 'above mobile size'), then two desktop-sizes, one extr...
How do you round a floating point number in Perl?
...unded positive integer only based on the decimals. int($_) basically round-down the number so ($-int($)) captures the decimals. If the decimals are (by definition) strictly less than 0.5, round-down the number. If not, round-up by adding 1.
Why should I use core.autocrlf=true in Git?
...eUploader: {
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UIRefreshControl without UITableViewController
...ull circle instead of the incrementing circle based on how far you pull it down. Is there a fix?
– david2391
Nov 30 '13 at 2:09
30
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Rotated elements in CSS that affect their parent's height correctly
...;
</div>
<p>Even more text</p>
<img src="https://i.stack.imgur.com/ih8Fj.png">
<div class="rotation-wrapper-outer">
<div class="rotation-wrapper-inner">
<img class="element-to-rotate" src="https://i.stack.imgur.com/ih8Fj.png">
...