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mysqli or PDO - what are the pros and cons? [closed]
... stuff like prepared statements and transaction support. Some projects use one, some the other. There is little realistic likelihood of us ever moving to another RDBMS.
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Invert “if” statement to reduce nesting
...ng the 2nd and 3rd "if" to "else if" to increase readability even more. If one overlooks the "return" statement it would still be clear that the following case is only checked if the previous one failed, i.e. that the order of the checks is important.
– foraidt
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Install dependencies globally and locally using package.json
...t common setup for npm where global Node package installs required sudo. One option is to change your npm configuration so this isn't necessary:
npm config set prefix ~/npm, add $HOME/npm/bin to $PATH by appending export PATH=$HOME/npm/bin:$PATH to your ~/.bashrc.
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How to limit the amount of concurrent async I/O operations?
...to control max concurrent I/O requests similar to a sliding window pattern one request completes, leaves the semaphore and the next one gets in.
usage:
await ForEachAsync(urlStrings, YourAsyncFunc, optionalMaxDegreeOfConcurrency);
public static Task ForEachAsync<TIn>(
IEnumerable&l...
Matplotlib 2 Subplots, 1 Colorbar
...olorbar() with a list of axes.
From the documentation:
ax
None | parent axes object(s) from which space for a new colorbar axes will be stolen. If a list of axes is given they will all be resized to make room for the colorbar axes.
import numpy as np
import matplotlib.pyplot as ...
How do you rename a MongoDB database?
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This is just to accomplish a rename of a single database in a standalone mongod instance. For replica sets the above would need to be done on every replica node, plus on each node every single oplog entry that refers this database would have to be somehow invalidated or rewritten, and then if ...
AngularJS : Initialize service with asynchronous data
... how will you assign the resolve property to a controller that is not mentioned in $routeProvider. For example, <div ng-controller="IndexCtrl"></div>. Here, the controller is explicitly mentioned and not loaded via routing. In such a case, how would one delay instantiation of the control...
Getting all types that implement an interface
...(p) && p.IsClass && !p.IsAbstract
– Jonesopolis
Dec 23 '15 at 18:11
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show 9 more comments
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CSS styling in Django forms
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This can be done using a custom template filter. Consider rendering your form this way:
<form action="/contact/" method="post">
{{ form.non_field_errors }}
<div class="fieldWrapper">
{{ form.subject.errors }}
{{ f...
Map a network drive to be used by a service
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For this hack you will need SysinternalsSuite by Mark Russinovich:
Step one:
Open an elevated cmd.exe prompt (Run as administrator)
Step two:
Elevate again to root using PSExec.exe:
Navigate to the folder containing SysinternalsSuite and execute the following command
psexec -i -s cmd.exe
you are...