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How can I specify working directory for popen
...wd, import os and define cwd using this:
os.path.dirname(os.path.realpath(__file__))
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UILabel text margin [duplicate]
..., intrinsicContentSize property (for Auto layout code) and/or sizeThatFits(_:) method (for Springs & Struts code).
import UIKit
class PaddingLabel: UILabel {
let padding: UIEdgeInsets
// Create a new PaddingLabel instance programamtically with the desired insets
required init(pad...
Get all related Django model objects
...his gives you the property names for all related objects:
links = [rel.get_accessor_name() for rel in a._meta.get_all_related_objects()]
You can then use something like this to get all related objects:
for link in links:
objects = getattr(a, link).all()
for object in objects:
# d...
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/tmp/mysql.sock'
... was running, however, there was a permission issue. Running sudo chown -R _mysql:mysql /usr/local/var/mysql && sudo brew services restart mysql@5.7 solved the issue
– FooBar
Oct 26 '18 at 14:08
...
Are JavaScript strings immutable? Do I need a “string builder” in JavaScript?
...g a method call may make it slower...
function StringBuilder() {
this._array = [];
this._index = 0;
}
StringBuilder.prototype.append = function (str) {
this._array[this._index] = str;
this._index++;
}
StringBuilder.prototype.toString = function () {
return this._array.join('')...
Looping through localStorage in HTML5 and JavaScript
... @JuanCarlosAlpizarChinchilla there is no 'toString' in the code so ¯_(ツ)_/¯. As pointed in comment above, works fine in all recent browsers.
– jtblin
Jul 22 '16 at 1:00
...
Why is sed not recognizing \t as a tab?
... by sh. For example, the following code from a shell script will add $TEXT_TO_ADD, without prepending it by a tabulation: sed "${LINE}a\\ $TEXT_TO_ADD " $FILE .
– Dereckson
Jan 23 '13 at 21:16
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How to get the current time in milliseconds from C in Linux?
...
This can be achieved using the POSIX clock_gettime function.
In the current version of POSIX, gettimeofday is marked obsolete. This means it may be removed from a future version of the specification. Application writers are encouraged to use the clock_gettime functi...
What's the best way to parse command line arguments? [closed]
...ter on.
Here's a typical line to add an option to your parser:
parser.add_option('-q', '--query',
action="store", dest="query",
help="query string", default="spam")
It pretty much speaks for itself; at processing time, it will accept -q or --query as options, store the ar...
Left Align Cells in UICollectionView
...orCellWithReuseIdentifier: "Cell")
}
override func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
return array.count
}
override func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -...