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Is there a Python caching library?
...'t find anything so far. I need a simple dict -like interface where I can set keys and their expiration and get them back cached. Sort of something like:
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Branch descriptions in Git
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Use git branch --edit-description to set or edit a branch description.
Here is a shell function to show branches similar to git branch but with descriptions appended.
# Shows branches with descriptions
function gb() {
current=$(git rev-parse --abbrev-ref H...
Save PL/pgSQL output from PostgreSQL to a CSV file
... which copy to/from a PHP array, which may not be efficient for large data sets.
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Swift Beta performance: sorting arrays
...Swift's performance improved by a factor of 20.
As per mweathers' answer, setting [-Ofast] makes the real difference, resulting in these times for n=10_000:
Swift: 0.000706745
C: 0.000742374
Swift_builtin: 0.000603576
And for n=1_000_000:
Swift: 0.1071118...
MFC 设置控件字体，颜色，大小，粗体，下划线等 - C/C++ - 清泛网 - 专注C/...
MFC 设置控件字体，颜色，大小，粗体，下划线等参考代码：CFont *f = new CFont; f->CreateFont(16, nHeight 0, nWidth ...参考代码：
CFont *f = new CFont;
f->CreateFont(16, // nHeight
0, // nWidth
0, // nEsca...
What are the benefits of using C# vs F# or F# vs C#? [closed]
I work for a tech company that does more prototyping than product shipment. I just got asked what's the difference between C# and F#, why did MS create F# and what scenarios would it be better than C#.
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How to print a float with 2 decimal places in Java?
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You can use the printf method, like so:
System.out.printf("%.2f", val);
In short, the %.2f syntax tells Java to return your variable (val) with 2 decimal places (.2) in decimal representation of a floating-point number (f) from the start of th...
Convert to binary and keep leading zeros in Python
I'm trying to convert an integer to binary using the bin() function in Python. However, it always removes the leading zeros, which I actually need, such that the result is always 8-bit:
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Why does the JVM still not support tail-call optimization?
....3 reveals that
Hotspot doesn't perform the
transformation. At default settings,
the stack space is exhausted in less
than a second on my machine. On the
other hand, IBM's JVM for version 1.3
purrs along without a problem,
indicating that it does transform the
code in this way.
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Bash array with spaces in elements
...e shows why one may encounter issues in some cases. It may be possible to set the IFS="" on a single line, but it may still be more confusing than the other solution.
– arntg
May 26 '17 at 18:05
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