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How to join two generators in Python?
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With itertools.chain.from_iterable you can do things like:
def genny(start):
for x in range(start, start+3):
yield x
y = [1, 2]
ab = [o for o in itertools.chain.from_iterable(genny(x) for x in y)]
print(ab)
sha...
When should we call System.exit in Java
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In that case, it's not needed. No extra threads will have been started up, you're not changing the exit code (which defaults to 0) - basically it's pointless.
When the docs say the method never returns normally, it means the subsequent line of code is effectively unreachable, even thoug...
How to port data-only volumes from one host to another?
...s better to use docker create for data-only containers so they will not be started. See example in the off. documentation: docs.docker.com/userguide/dockervolumes/…
– FelikZ
Feb 1 '15 at 16:25
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Why is this inline-block element pushed downward?
... question?
Its that why "inline-block" element is pushed downward.
Now we start to understand it and remove the clutter first.
1 -
Why not give all three divs same border width?
Let's give it.
2 - Does floating element has any connection with inline-block element being pushed downward?
No, it ha...
Upgrading PHP in XAMPP for Windows?
...er.... For trying to install latest version of php. Now i confused, how to start?.. can you help me please?
– pcs
Jun 25 '15 at 9:59
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Regex: matching up to the first occurrence of a character
...s essentially, match any character in this set of characters, the ^ at the start makes it an inverse match, so match anything not in this set.
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Zero-pad digits in string
...3
Result str_pad : 0.286863088608
Result sprintf : 0.234171152115
Code:
$start = microtime(true);
for ($i=0;$i<100000;$i++) {
str_pad(9,2,'0',STR_PAD_LEFT);
str_pad(15,2,'0',STR_PAD_LEFT);
str_pad(100,2,'0',STR_PAD_LEFT);
}
$end = microtime(true);
echo "Result str_pad : ",($end-$sta...
Get number days in a specified month using JavaScript? [duplicate]
...ps anyone: For the Javascript Date function, the second argument is month, starting with 0. The third argument is day, starting with 1. When you pass a 0 to the third argument instead, it uses the last day of the previous month. If you were to pass -1 as the third argument, it would be the second to...
An established connection was aborted by the software in your host machine
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This problem can be simply solved by closing Eclipse and restarting it. Eclipse sometimes fails to establish a connection with the Emulator, so this can happen in some cases.
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Run/install/debug Android applications over Wi-Fi?
...d make sure debugging is working;
adb tcpip 5555. This makes the device to start listening for connections on port 5555;
Look up the device IP address with adb shell netcfg or adb shell ifconfig with 6.0 and higher;
You can disconnect the USB now;
adb connect <DEVICE_IP_ADDRESS>:5555. This con...