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How to remove element from array in forEach loop?
...note in all of the above is that, if you were stripping NaN from the array then comparing with equals is not going to work because in Javascript NaN === NaN is false. But we are going to ignore that in the solutions as it it yet another unspecified edge case.
So there we have it, a more complete ans...
error: use of deleted function
...her that has a different value in that field? If it should be overwritten, then it can't be const. If that shouldn't be allowed at all, then the value might really be part of the type (e.g., a template parameter, if known at compile time).
– Jerry Coffin
Mar 19...
Boolean vs tinyint(1) for boolean values in MySQL
...he following script:
ALTER TABLE TableName MODIFY Setting BOOLEAN null;
Then Dapper started throwing Exceptions. I tried to look at the difference before and after the script. And noticed the bit(1) had changed to tinyint(1).
I then ran:
ALTER TABLE TableName CHANGE COLUMN Setting Setting BIT(1...
What is the difference between `throw new Error` and `throw someObject`?
...ox, Opera, and Chrome each display an “uncaught exception” message and then include the message string. Safari and Internet Explorer simply throw an “uncaught exception” error and don’t provide the message string at all. Clearly, this is suboptimal from a debugging point of view.
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What is NSZombie?
...
It's a memory debugging aid. Specifically, when you set NSZombieEnabled then whenever an object reaches retain count 0, rather than being deallocated it morphs itself into an NSZombie instance. Whenever such a zombie receives a message, it logs a warning rather than crashing or behaving in an unp...
What's the difference between nohup and ampersand
...gin to remote server using ssh. If you start a shell script and you logout then the process is killed.
Nohup helps to continue running the script in background even after you log out from shell.
Nohup command name &
eg: nohup sh script.sh &
Nohup catches the HUP signals.
Nohup doesn't put...
Byte[] to InputStream or OutputStream
...ch is basically a mechanism to supply the bytes to something in sequence.
then you could create a FileOutputStream for the file you want to create. there are many types of InputStreams and OutputStreams for different data sources and destinations.
lastly you would write the InputStream to the Outp...
Reusing a PreparedStatement multiple times
...statement as shown in above snippets.
If those batches are transactional, then you'd like to turn off autocommit of the connection and only commit the transaction when all batches are finished. Otherwise it may result in a dirty database when the first bunch of batches succeeded and the later not.
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Regex to remove all (non numeric OR period)
...
You can cache the regex:
Regex not_num_period = new Regex("[^0-9.]")
then use:
string result = not_num_period.Replace("joe ($3,004.50)", "");
However, you should keep in mind that some cultures have different conventions for writing monetary amounts, such as: 3.004,50.
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How expensive is the lock statement?
...asured. It just is not as easy as writing those locks all around the code, then stating that it is all just 50ns, a myth measured on single threaded access to the lock.
– ipavlu
Oct 6 '15 at 4:07
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