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Count(*) vs Count(1) - SQL Server
...vers (such as auto-stats, xevent sessions, query store overhead, triggers, etc.). It is maybe a few thousand extra CPU instructions. So, count(1) does a tiny bit less work during compilation (which will usually happen once and the plan is cached across multiple subsequent executions). For executi...
Finalize vs Dispose
...ces you have acquired (unmanaged data, database connections, file handles, etc) the moment the code is done with your object.
The standard practice is to implement IDisposable and Dispose so that you can use your object in a using statment. Such as using(var foo = new MyObject()) { }. And in your f...
How to measure time taken by a function to execute
...E 10 ++
FireFox 15 ++
Chrome 24 ++
Safari 8 ++
Opera 15 ++
Android 4.4 ++
etc, etc
console.time may be viable for you, but it's non-standard §:
This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. The...
How to deny access to a file in .htaccess
...ACCESS
.hTaCcEsS
testFILE.htaccess
filename.HTACCESS
FILEROOT.hTaCcEsS
..etc., etc. Clearly, this method is highly effective at securing your site’s HTAccess files. Further, this technique also includes the fortifying “Satisfy All” directive. Note that this code should be placed in your doma...
When should you use constexpr capability in C++11?
...ose types of functions can be used in metaprogramming, or as array bounds, etc etc.
Another example off of the top of my head would be that for class interfaces, you may want derived types define their own constants for some operation.
Edit:
After poking around on SO, it looks like others have co...
Is there any “font smoothing” in Google Chrome?
... text).
But, if you up the 48px to font-size:49px; (and 50px, 60px, 80px, etc...), something interesting happens
The text automatically get smooth, and seems really good
For another side...
If you are looking for small fonts, you can try this, but isn't very effective.
To the parent of the te...
drag drop files into standard html file input
...tainer and upload them with XHR 2. Many at a time. With live progress bars etc. Very cool stuff. Example here.
13 Answers
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Printf width specifier to maintain precision of floating-point value
...guous-ness needs 17 as the precision changes in a binary number (at 2,4,8, etc.) and a decimal number (at 10,100,1000, etc.) are never at the same number (except 1.0). Example: the 2 double values just above 0.1 : 1.000_0000_0000_0000_2e-01, 1.000_0000_0000_0000_3e-01 need 17 digits to distinguish....
How do I remove the space between inline/inline-block elements?
...ute... what if I'm generating my divs inside Taglibs loops (Struts2, JSTL, etc...) ?
For example:
<s:iterator begin="0" end="6" status="ctrDay">
<br/>
<s:iterator begin="0" end="23" status="ctrHour">
<s:push value="%{days[#ctrDay.index].hours[#ctrHour.index]}"...
Are types like uint32, int32, uint64, int64 defined in any stdlib header?
...
The questioner actually asked about int16 (etc) rather than (ugly) int16_t (etc).
There are no standard headers - nor any in Linux's /usr/include/ folder that define them without the "_t".
sh...