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JavaScript: client-side vs. server-side validation
...de means users get faster feedback and more of them sign up, resulting in $100k extra revenue per year, it more than pays for the extra maintenance costs. DRY is a very good principle, but it's not the only consideration. Code quality is really measured in how well it serves users and an organizatio...
What's wrong with using == to compare floats in Java?
....
In binary, most programmers know the correlation between 1b=1d, 10b=2d, 100b=4d, 1000b=8d
Well it works the other way too.
.1b=.5d, .01b=.25d, .001b=.125, ...
The problem is that there is no exact way to represent most decimal numbers like .1, .2, .3, etc. All you can do is approximate in bin...
How do I get the filepath for a class in Python?
... Jarret HardieJarret Hardie
79.1k99 gold badges120120 silver badges118118 bronze badges
1
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How to find the kth largest element in an unsorted array of length n in O(n)?
... is: does that matter to you in given circumstances. Writing and debugging 100 lines of code compared to one liner pays off only if that code is going to be executed so many times that user starts noticing the difference in running time and feel discomfort waiting for the operation to complete.
...
Handling a Menu Item Click Event - Android
...lt;item
android:id="@+id/action_settings"
android:orderInCategory="100"
android:title="@string/action_settings"
app:showAsAction="never" />
<item
android:id="@+id/action_logout"
android:orderInCategory="101"
android:title="@string/sign_out"
app:showAsAction="nev...
Get the Row(s) which have the max count in groups using groupby
...looking solution from @Zelazny7 took a long time to execute for my set of ~100K rows, but this one ran pretty quickly. (I'm running a now way-obsolete 0.13.0, which might account for slowness).
– Roland
May 4 '17 at 21:25
...
How to schedule a function to run every hour on Flask?
...ically?
– Kishan Mehta
Mar 6 '17 at 12:08
2
I think schedule as suggested by user5547025 is for s...
Best way to use PHP to encrypt and decrypt passwords? [duplicate]
...o Encrypt:
$iv = mcrypt_create_iv(
mcrypt_get_iv_size(MCRYPT_RIJNDAEL_128, MCRYPT_MODE_CBC),
MCRYPT_DEV_URANDOM
);
$encrypted = base64_encode(
$iv .
mcrypt_encrypt(
MCRYPT_RIJNDAEL_128,
hash('sha256', $key, true),
$string,
MCRYPT_MODE_CBC,
$i...
warning about too many open figures
... |
edited May 23 '17 at 12:17
Community♦
111 silver badge
answered Feb 19 '14 at 15:04
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Objective-C ARC: strong vs retain and weak vs assign
...
answered Jan 19 '12 at 14:52
JeremyPJeremyP
78.9k1515 gold badges113113 silver badges156156 bronze badges
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