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裁员！裁员！创业者们的2016“寒冬大逃杀” - 资讯 - 清泛网 - 专注IT技能提升
...2、7、1”的末位淘汰制里，他长时间停留在最末“1”的位置。仅有完美的执行力是不够的，在创业公司的初期，速度和公司的存亡直接挂钩，没有足够的学习时间让他学习，成长为懂供应链、地推、物流的区域经理。
谈话进行...
Numpy: find first index of value fast
...he time to find it.
The array had 1 million elements and tests were run 100 times. Results still fluctuate a bit, but the qualitative trend is clear: Python and f2py quit at the first element so they scale differently. Python gets too slow if the needle is not in the first 1%, whereas f2py is fas...
Calculating frames per second in a game
...
100
You need a smoothed average, the easiest way is to take the current answer (the time to draw t...
How to reverse apply a stash?
...
The V1 git man page had a reference about un-applying a stash. The excerpt is below.
The newer V2 git man page doesn't include any reference to un-applying a stash but the below still works well
Un-applying a Stash
In some use ...
How do I install Maven with Yum?
...nks! the best maven i could get via jpackage was maven.noarchtbd which was v1.1 or maven2 which was v2.0.4 ... your alternate instructions helped a lot to get me to maven v3 :)
– pulkitsinghal
Sep 17 '12 at 0:23
...
How do I plot in real-time in a while loop using matplotlib?
...os[1, ii] % c)
old_delta = delta
yield pos
def run(niter=1000, doblit=True):
"""
Display the simulation using matplotlib, optionally using blit for speed
"""
fig, ax = plt.subplots(1, 1)
ax.set_aspect('equal')
ax.set_xlim(0, 255)
ax.set_ylim(0, 255)
...
How to open files relative to home directory
... Nope, not available to users below 1.9.3 (apidock.com/ruby/v1_9_2_180/Dir/home/class).
– Ian Vaughan
Apr 24 '13 at 12:52
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How to add a progress bar to a shell script?
...######## (66%)\r'
sleep 1
echo -ne '####################### (100%)\r'
echo -ne '\n'
In a comment below, puk mentions this "fails" if you start with a long line and then want to write a short line: In this case, you'll need to overwrite the length of the long line (e.g., with spaces)....
Checking if an instance's class implements an interface?
...h:
Given an instance of an object
Object construction outside the loop (100,000 iterations)
____________________________________________
| class_implements | Reflection | instanceOf |
|------------------|------------|------------|
| 140 ms | 290 ms | 35 ms |
'-----------------...
Save bitmap to location
... FileOutputStream(filename)) {
bmp.compress(Bitmap.CompressFormat.PNG, 100, out); // bmp is your Bitmap instance
// PNG is a lossless format, the compression factor (100) is ignored
} catch (IOException e) {
e.printStackTrace();
}
...