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When to use IList and when to use List
...headache if you decide to use a Stack or some other data structure further down the road. If all you need to do in the function is foreach through it, IEnumerable<T> is really all you should be asking for.
On the other hand, when returning an object out of a function, you want to give the us...
Get key by value in dictionary
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I just wanted to benchmark it myself, scrolled down, bam there you have it. Thanks! Technically as you already pointed out method 2 doesn't do the exact same thing as 1 and 3 because it returns all matches. would be nice to see the results for e.g. return next([..]).
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Algorithm for Determining Tic Tac Toe Game Over
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How about this pseudocode:
After a player puts down a piece at position (x,y):
col=row=diag=rdiag=0
winner=false
for i=1 to n
if cell[x,i]=player then col++
if cell[i,y]=player then row++
if cell[i,i]=player then diag++
if cell[i,n-i+1]=player then rdiag++
if row...
How do I manage MongoDB connections in a Node.js web application?
...te/close DB connection for every request, the perfomance of my app dropped down with this.
– Leandro Lima
Mar 1 '19 at 17:00
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How to get all selected values from ?
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used checked This worked for me, on a multi select dropdown, but should work for all drop-downs as well $(".multiple_select > option:checked").each(function(){ console.log(this.value) });
– Joviano Dias
Aug 29 '19 at 13:48
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iOS 6: How do I restrict some views to portrait and allow others to rotate?
...have an iPhone app that uses a UINavigationController to present a drill-down interface: First one view, then another, up to four levels deep. I want the first three views restricted to portrait orientation and only the last view should be allowed to rotate to landscape. When returning from the fo...
Show space, tab, CRLF characters in editor of Visual Studio
...ine-endings for a file can be done using Save File As ... and clicking the down-arrow on the right side of the save-button. This shows the option Save with Encoding. You'll be asked permission to overwrite the current file.
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Why must jUnit's fixtureSetup be static?
... the Spring annotations @PostConstruct for set up and @AfterClass for tear down and I ignore the static ones from Junit altogether. For DAO tests I then wrote my own TestCaseDataLoader class which I invoke from these methods.
– HDave
Feb 1 '13 at 13:40
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How to get the width and height of an android.widget.ImageView?
...ead about getWidth and getMeasured in Android documentation. then come and down vote people.
– AZ_
Sep 9 '14 at 2:37
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How do I measure execution time of a command on the Windows command line?
...get TimeIt in the Windows 2003 Resource Kit. It's not available for direct download from the Microsoft Download Center, but one can still get it from the arhive.org - Windows Server 2003 Resource Kit Tools.
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