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How can I have a newline in a string in sh?
...rom the Bash manual page:
Words of the form $'string' are treated specially. The word expands to
string, with backslash-escaped characters replaced as specified by the
ANSI C standard. Backslash escape sequences, if present, are decoded
as follows:
\a alert (bell)
...
PHP Pass variable to next page
...the method for the form to post if you want to do it via post. Both are equally insecure, although GET is easier to hack.
The fact that each new request is, except for session data, a totally new instance of the script caught me when I first started coding in PHP. Once you get used to it, it's quit...
How to pretty print XML from Java?
...
Back in 2008 this was a good answer, but now this can all be done with standard JDK classes rather than Apache classes. See xerces.apache.org/xerces2-j/faq-general.html#faq-6. Yes this is a Xerces FAQ but the answer covers standard JDK classes. The initial 1.5 implementation of ...
File Upload using AngularJS
...er browsers:
https://github.com/leon/angular-upload - uses iframes as a fallback
https://github.com/danialfarid/ng-file-upload - uses FileAPI/Flash as a fallback
And some other options:
https://github.com/nervgh/angular-file-upload/
https://github.com/uor/angular-file
https://github.com/twilso...
float64 with pandas to_csv
...mvent this problem, I recommend you create another CSV file which contains all figures as integers, for example multiplying by 100, 1000 or other factor which turns out to be convenient. Inside your application, read the CSV file as usual and you will get those integer figures back. Then convert tho...
Is there a Python function to determine which quarter of the year a date is in?
...ond quarter, etc -- add 1 if you need to count from 1 instead;-).
Originally two answers, multiply upvoted and even originally accepted (both currently deleted), were buggy -- not doing the -1 before the division, and dividing by 4 instead of 3. Since .month goes 1 to 12, it's easy to check for ...
Should I use 'has_key()' or 'in' on Python dicts?
...
in is definitely more pythonic.
In fact has_key() was removed in Python 3.x.
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What is a bus error?
... when your processor cannot even attempt the memory access requested, typically:
using a processor instruction with an address that does not satisfy its alignment requirements.
Segmentation faults occur when accessing memory which does not belong to your process, they are very common and are typ...
How to profile a bash shell script slow startup?
...t to go to the file command.txt leaving stdout and stdout to be output normally (or be redirected separately).
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Why does changing the returned variable in a finally block not change the return value?
...atement executes is the value returned by the method. The fact that the finally clause later changes the value of s (after the return statement completes) does not (at that point) change the return value.
Note that the above deals with changes to the value of s itself in the finally block, not to th...