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Handler is abstract ,cannot be instantiated
...rying to be TOO clever at importing/autocompleting is one i.e. is quicker 90% of the time, is 5 x slower 10% of the time. Thanks again
– Joel Balmer
Mar 12 '14 at 22:20
1
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What's wrong with this 1988 C code?
...tions of IN and OUT:
#define IN 1; /* inside a word */
#define OUT 0; /* outside a word */
Notice how you have a trailing semicolon in each of these. When the preprocessor expands them, your code will look roughly like:
if (c == ' ' || c == '\n' || c == '\t')
state = 0;; /...
How to remove an element from a list by index
...
1820
Use del and specify the index of the element you want to delete:
>>> a = [0, 1, 2, 3, ...
How do I get the name of the active user via the command line in OS X?
...
answered Jul 9 '09 at 16:40
kentkent
5,14533 gold badges2424 silver badges3131 bronze badges
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What is the difference between String.slice and String.substring?
...nts.
If either argument is negative or is NaN, it is treated as if it were 0.
Distinctions of slice():
If start > stop, slice() will return the empty string. ("")
If start is negative: sets char from the end of string, exactly like substr() in Firefox. This behavior is observed in both Firefo...
CSS3 Continuous Rotate Animation (Just like a loading sundial)
...unction when you want a -webkit-ANIMATION-timing-function. Your values of 0 to 360 will work properly.
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Initializing a two dimensional std::vector
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208
Use the std::vector::vector(count, value) constructor that accepts an initial size and a defaul...
VideoRecorder 拓展：前台预览录制 + 后台无预览录制，支持分辨率、码率设...
...否启用闪光灯，默认 false
CameraOrientation
摄像头方向（0/90/180/270），默认自动检测
Quality
视频画质预设，默认 HIGHEST。支持 HIGHEST、LOWEST、720P、1080P、480P、1920x1080 等
BitRate
视频编码码率（bps），默认 0 自动根据分辨率计...
How to loop over files in directory and change path and add suffix to filename
... .txt files only:
#!/bin/bash
for filename in /Data/*.txt; do
for ((i=0; i<=3; i++)); do
./MyProgram.exe "$filename" "Logs/$(basename "$filename" .txt)_Log$i.txt"
done
done
Notes:
/Data/*.txt expands to the paths of the text files in /Data (including the /Data/ part)
$( ... )...
Attach IntelliJ IDEA debugger to a running Java process
...ree read-only fields. These are options that tell the JVM to open up port 5005 for remote debugging when running your application. Add the appropriate one to the JVM options of the application you are debugging. One way you might do this would be like so:
export JAVA_OPTS="-agentlib:jdwp=transport=...