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How to convert a byte array to a hex string in Java?
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@maybeWeCouldStealAVan: JDK 7 is now open source. We should submit a patch to improve performance for printHexBinary?
– kevinarpe
Jul 10 '13 at 17:05
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How to check if an appSettings key exists?
...ager.AppSettings
if (ConfigurationManager.AppSettings[name] != null)
{
// Now do your magic..
}
or
string s = ConfigurationManager.AppSettings["myKey"];
if (!String.IsNullOrEmpty(s))
{
// Key exists
}
else
{
// Key doesn't exist
}
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Why is semicolon allowed in this python snippet?
...limit statements if you wish to put multiple statements on the same line.
Now, why is this allowed? It's a simple design decision. I don't think Python needs this semi-colon thing, but somebody thought it would be nice to have and added it to the language.
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Do the parentheses after the type name make a difference with new?
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Can someone add what is the case in C++11 now?
– legends2k
Aug 21 '12 at 4:39
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How to use nodejs to open default browser and navigate to a specific URL
... Please update to suggest opn instead of open as the latter is deprecated now.
– Samir Aguiar
Jan 25 '17 at 12:48
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Real World Example of the Strategy Pattern
...ect strategy instance for the cipher.
I hope this helps.
( I don't even know if Cipher is the right word :P )
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Pass correct “this” context to setTimeout callback?
...ause it wasn't yet widely supported and you needed polyfills to use it but now it's everywhere:
if (this.options.destroyOnHide) {
setTimeout(function(){ this.tip.destroy() }.bind(this), 1000);
}
The bind function creates a new function with the this value pre-filled.
Now in modern JS, this ...
Is there anything like inotify on Windows?
...I was wonderying myself how kernel people solve these situations. Good to know they do this, makes one more confident in design and implementation.
– n611x007
Oct 29 '13 at 10:50
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Understanding MongoDB BSON Document size limit
...y agree with you, also it defeats the purpose of having embedded documents now, as most embedded documents will now cross the limit easily. Esp with array of documents inside them
– Sharjeel Ahmed
Feb 15 '16 at 8:43
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How to determine if binary tree is balanced?
...IT specialist at a hospital. Trying to move to do some actual programming now. I'm working on binary trees now, and I was wondering what would be the best way to determine if the tree is height-balanced.
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