大约有 49,000 项符合查询结果（耗时：0.0605秒） [XML]
How to convert a byte array to a hex string in Java?
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Reusing a library by including an extra JAR files of several dozens kB would not exactly be efficient if all you need is this function (on some platforms like Android, the whole Jar gets included in the end application). And sometimes shorter and more clear code is bet...
Why does Stream not implement Iterable?
...ows IllegalStateException. (openjdk.java.net/projects/nio/javadoc/java/nio/file/…)
– roim
Nov 21 '13 at 20:01
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How do you test that a Python function throws an exception?
...raises-error/
First, here is the corresponding (still dum :p) function in file dum_function.py :
def square_value(a):
"""
Returns the square value of a.
"""
try:
out = a*a
except TypeError:
raise TypeError("Input should be a string:")
return out
Here is the test ...
How do I simulate a low bandwidth, high latency environment?
...fferent IP connection, you could (for example) do the following:
Create a file /etc/rc.firewall.56k which contains the following:
ipfw add pipe 1 ip from any to any out
ipfw add pipe 2 ip from any to any in
ipfw pipe 1 config bw 56Kbit/s
ipfw pipe 2 config bw 56Kbit/s
And change /etc/rc.c...
Repeat command automatically in Linux
...ipt.
# ./while_check.sh &
Here is the same loop as a script. Create file "while_check.sh" and put this in it:
#!/bin/bash
while true; do
echo "Hello World" # Substitute this line for whatever command you want.
sleep 100
done
Then run it by typing bash ./while_check.sh &
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Make iframe automatically adjust height according to the contents without using scrollbar? [duplicat
... note: when using for cross domain, requires you to be able to inject a js file into the iframe... Doesn't seem like a viable option when you don't control the iframe source.
– Kyle Baker
Mar 28 '18 at 6:00
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Java equivalent to #region in C#
...cause he's too lazy to press a key (that woulld expand all sections in the file), the feature must not be used - it's a super wonderful feature. Right now I'm using it to one by one hide the methods I've verified are thread safe in the class I'm working one, it really helps to keep organized.Sure on...
How to launch an Activity from another Application in Android
... I was having an issue when starting an Intent to a Facebook or Twitter profile. They were opening inside my app, instead of as a new activity. Adding the FLAG_ACTIVITY_NEW_TASK fixed that. Thanks!
– Harry
Mar 18 '13 at 19:04
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minimize app to system tray
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don't forget to add icon file to your notifyIcon or it will not appear in the tray.
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Jackson serialization: ignore empty values (or null)
...onInclude(JsonInclude.Include.NON_NULL)
Using above annotation either on filed or class level was not working as expected. The POJO was mutable where I was applying the annotation. When I changed the behaviour of the POJO to be immutable the annotation worked its magic.
I am not sure if its down...