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In Python script, how do I set PYTHONPATH?
...
You can get and set environment variables via os.environ:
import os
user_home = os.environ["HOME"]
os.environ["PYTHONPATH"] = "..."
But since your interpreter is already running, this will have no effect. You're better off using
import sys
sys.path.append("...")
which is the array that your...
Compiling problems: cannot find crt1.o
...
What helped me is to create a symbolic link:
sudo ln -s /usr/lib/x86_64-linux-gnu /usr/lib64
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Why does !{}[true] evaluate to true in JavaScript?
...PI && inspectedWindow.console) {
inspectedWindow.console._commandLineAPI = new CommandLineAPI(this._commandLineAPIImpl, isEvalOnCallFrame ? object : null);
expression = "with ((window && window.console && window.console._commandLineAPI) || {}) {\n" + expre...
Are there conventions on how to name resources?
... layouts with widgets and containers, I use the convention:
<layout>_<widget/container>_<name>
I do the same strategy for any dimens, strings, numbers, and colors I use in those layouts. However, I do try generalizing. e.g if all buttons have a common textColor, I won't prefix t...
How to use dashes in HTML-5 data-* attributes in ASP.NET MVC
...an underscore.
For example:
@Html.TextBoxFor(vm => vm.City, new { data_bind = "foo" })
will render this in MVC 3:
<input data-bind="foo" id="City" name="City" type="text" value="" />
If you're still using an older version of MVC, you can mimic what MVC 3 is doing by creating this sta...
Trusting all certificates with okHttp
...Factory, trustAllCerts[0] as X509TrustManager)
.hostnameVerifier { _, _ -> true }.build()
}
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Why doesn't print work in a lambda?
...ed print function if you are using the latest Python 2.x:
In [1324]: from __future__ import print_function
In [1325]: f = lambda x: print(x)
In [1326]: f("HI")
HI
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Do I have to guard against SQL injection if I used a dropdown?
...pect.
$possibleOptions = array('All', 'Large', 'Medium', 'Small');
if(in_array($_POST['size'], $possibleOptions)) {
// Expected
} else {
// Not Expected
}
Then use mysqli_* if you are using a version of php >= 5.3.0 which you should be, to save your result. If used correctly this wil...
Efficiently convert rows to columns in sql server
... for ColumnName in (' + @cols + N')
) p '
exec sp_executesql @query;
See Demo.
Using an aggregate function
If you do not want to use the PIVOT function, then you can use an aggregate function with a CASE expression:
select
max(case when columnname = 'FirstName' then ...
What does Ruby have that Python doesn't, and vice versa?
...ound as an object, and overwrite it:
def func(): print "hello"
def another_func(f): f()
another_func(func)
def func2(): print "goodbye"
func = func2
This is a fundamental feature of modern scripting languages. JavaScript and Lua do this, too. Ruby doesn't treat functions this way; naming a fun...