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Whitespace Matching Regex - Java
...eemed to notice that. I guess the stupidest little errors throw us off sometimes, eh?
– user372743
Jan 19 '11 at 2:09
...
How do I select elements of an array given condition?
...array(['o', 'o', 'a'],
dtype='|S1')
by the numbers:
>>> %timeit (a < b) & (b < c)
The slowest run took 32.97 times longer than the fastest. This could mean that an intermediate result is being cached.
100000 loops, best of 3: 1.15 µs per loop
>>> %timeit np.log...
What is 'Context' on Android?
... suitable timings, right?
There are many other things you like during the time of stay. How do you get these things?
You ask the room-service person to bring these things for you.
Here the room-service person is the context considering you are the
single activity and the hotel to be your app, fin...
How to search a specific value in all tables (PostgreSQL)?
...
Each qualifying row is returned once only, even when it matches multiple times (as opposed to other answers here).
This searches the whole DB except for system catalogs. Will typically take a long time to finish. You might want to restrict to certain schemas / tables (or even columns) like demons...
Read file line by line using ifstream in C++
...your software, you may consider using the C language. This code can be 4-5 times faster than the C++ versions above, see benchmark below
FILE* fp = fopen(FILENAME, "r");
if (fp == NULL)
exit(EXIT_FAILURE);
char* line = NULL;
size_t len = 0;
while ((getline(&line, &len, fp)) != -1) {
...
How to convert Milliseconds to “X mins, x seconds” in Java?
I want to record the time using System.currentTimeMillis() when a user begins something in my program. When he finishes, I will subtract the current System.currentTimeMillis() from the start variable, and I want to show them the time elapsed using a human readable format such as "XX hours, XX ...
The definitive guide to form-based website authentication [closed]
...se them only as a last resort when a user has failed to log in a number of times and throttling delays are maxed out. This will happen rarely enough to be acceptable, and it strengthens the system as a whole.
Storing Passwords / Verifying logins
This may finally be common knowledge after all the hig...
How to run crontab job every week on Sunday
...ther of these:
5 8 * * 0
5 8 * * 7
5 8 * * Sun
Where 5 8 stands for the time of the day when this will happen: 8:05.
In general, if you want to execute something on Sunday, just make sure the 5th column contains either of 0, 7 or Sun. You had 6, so it was running on Saturday.
The format for cro...
Check if a String contains numbers Java
...think is just to escape the second backslash) and \d+ means a digit from 1 time to infinite.
– Giudark
Sep 29 '16 at 0:11
6
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How can I view live MySQL queries?
...HOW FULL PROCESSLIST; to see what queries are being processed at any given time, but that probably won't achieve what you're hoping for.
The best method to get a history without having to modify every application using the server is probably through triggers. You could set up triggers so that every...