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Numeric for loop in Django templates
...in a project isn't such a great solutions also.
– tobltobs
Mar 14 '17 at 20:33
...
PHP - iterate on string characters
... I'd like to be able to do foreach , array_map , array_walk , array_filter etc. on the characters of a string.
9 Answ...
When to use ' (or quote) in Lisp?
...
Short answer
Bypass the default evaluation rules and do not evaluate the expression (symbol or s-exp), passing it along to the function exactly as typed.
Long Answer: The Default Evaluation Rule
When a regular (I'll come to that later) function is invo...
Get size of folder or file
...ength of the file in bytes or 0 if the file does not exist. There is no built-in way to get the size of a folder, you are going to have to walk the directory tree recursively (using the listFiles() method of a file object that represents a directory) and accumulate the directory size for yourself:
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What does “#define _GNU_SOURCE” imply?
...POSIX standard (often for good reason, such as being replaced with better alternatives, or being tied to particular legacy implementations)
access to low-level functions that cannot be portable, but that you sometimes need for implementing system utilities like mount, ifconfig, etc.
broken behavior ...
Select statement to find duplicates on certain fields
Can you help me with SQL statements to find duplicates on multiple fields?
7 Answers
7...
Event handling for iOS - how hitTest:withEvent: and pointInside:withEvent: are related?
...t {
if (!self.isUserInteractionEnabled || self.isHidden || self.alpha <= 0.01) {
return nil;
}
if ([self pointInside:point withEvent:event]) {
for (UIView *subview in [self.subviews reverseObjectEnumerator]) {
CGPoint convertedPoint = [subview convertPoint:...
I forgot the password I entered during postgres installation
...ther forgot or mistyped (during the installation) the password to the default user of Postgres. I can't seem to be able to run it and I get the following error:
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Link to add to Google calendar
...ss.org/support/topic/direct-link-to-add-specific-google-calendar-event):
<a href="http://www.google.com/calendar/render?
action=TEMPLATE
&text=[event-title]
&dates=[start-custom format='Ymd\\THi00\\Z']/[end-custom format='Ymd\\THi00\\Z']
&details=[description]
&location=[location...
Android EditText delete(backspace) key event
...Text which overrides the onCreateInputConnection method, wrapping the default InputConnection object in a proxy class! :|
Sounds complicated, but here's the simplest example I could contrive:
public class ZanyEditText extends EditText {
private Random r = new Random();
public ZanyEditTex...