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Using scanf() in C++ programs is faster than using cin?
... this is true, but when I was reading FAQ on one of the problem providing sites, I found something, that poke my attention:
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How to extract the first two characters of a string in shell scripting?
...f long. If long is shorter than two characters, short will be identical to it.
This in-shell method is usually better if you're going to be doing it a lot (like 50,000 times per report as you mention) since there's no process creation overhead. All solutions which use external programs will suffer ...
How to change a Git remote on Heroku
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If you're working on the heroku remote (default):
heroku git:remote -a [app name]
If you want to specify a different remote, use the -r argument:
heroku git:remote -a [app name] -r [remote]
EDIT: thanks to Алексей Володько For pointing it out that there's no ne...
How can I listen to the form submit event in javascript?
I wanna write my own form validation javascript library and I've been looking on google how to detect if a submit button is clicked but all I found is code where you have to use onClick on onSubmit="function()" in html.
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glob exclude pattern
I have a directory with a bunch of files inside: eee2314 , asd3442 ... and eph .
10 Answers
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How to import an existing X.509 certificate and private key in Java keystore to use in SSL?
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Believe or not, keytool does not provide such basic functionality like importing private key to keystore. You can try this workaround with merging PKSC12 file with private key to a keystore:
keytool -importkeystore \
-deststorepass storepassword \
-destkeypass keypassword \
-destk...
Command to list all files in a folder as well as sub-folders in windows
...follow
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edited Jul 25 '17 at 8:21
Ploppy
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Postgres: “ERROR: cached plan must not change result type”
...pplication.
Does anyone know what this error means and what I can do about it?
3 Answers
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What is eager loading?
...his is where you try and anticipate what the user will ask for and preload it.
I hope that makes sense in the context you're seeing it.
Let me give you a "Webby" example.
Imagine a page with rollover images like for menu items or navigation. There are three ways the image loading could work on t...
How do I get rid of this unwanted bar from Eclipse?
When coding in Eclipse(Indigo), I accidentally hit a combination of keys which made this bar appear when I was doing some shortcuts. This question has probably being answered before but since I don't know the exact name of the bar googling the problem has being fruitless. I've spent two hours trying...