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What is the LD_PRELOAD trick?
...s shared libraries with functions that override the standard set, just as /etc/ld.so.preload does. These are implemented by the loader /lib/ld-linux.so. If you want to override just a few selected functions, you can do this by creating an overriding object file and setting LD_PRELOAD; the functions ...
import module from string variable
...')
You can thereafter access anything in the module as mymodule.myclass, etc.
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How to add http:// if it doesn't exist in the URL?
...ade the protocol flexible, so the same function can be used with ftp,https,etc
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Unsupported major.minor version 52.0 [duplicate]
... up as a separate task.
Also, put all above environment variables in the /etc/environment file for auto loading on system boot.
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Progress indicator during pandas operations
... a new `tqdm` instance with `pandas`
# (can use tqdm_gui, optional kwargs, etc.)
tqdm.pandas()
# Now you can use `progress_apply` instead of `apply`
df.groupby(0).progress_apply(lambda x: x**2)
In case you're interested in how this works (and how to modify it for your own callbacks), see the examp...
Referencing system.management.automation.dll in Visual Studio
... they would be responsible for keeping it updated, releasing new packages, etc.
– Ben Randall
Feb 5 '16 at 19:24
last ...
HTML input - name vs. id [duplicate]
...c info regarding the difference between id and name, when to use each one, etc.
– daramasala
Nov 18 '13 at 7:08
4
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“static const” vs “#define” vs “enum”
...n alternative:
#ifdef VAR // Very bad name, not long enough, too general, etc..
static int const var = VAR;
#else
static int const var = 5; // default value
#endif
Whenever possible, instead of macros / ellipsis, use a type-safe alternative.
If you really NEED to go with a macro (for example...
Understanding Apache's access log
...0")
%>s is the status code sent from the server to the client (200, 404 etc.)
%b is the size of the response to the client (in bytes)
Referer is the Referer header of the HTTP request (containing the URL of the page from which this request was initiated) if any is present, and "-" otherwise.
User...
Which is more preferable to use: lambda functions or nested functions ('def')?
..."very rare", it is common for key functions to sorted or itertools.groupby etc., e.g. sorted(['a1', 'b0'], key= lambda x: int(x[1]))
– Chris_Rands
Apr 9 '18 at 12:09
add a com...