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Why does PEP-8 specify a maximum line length of 79 characters? [closed]
Why in this millennium should Python PEP-8 specify a maximum line length of 79 characters?
9 Answers
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Windows Explorer “Command Prompt Here” [closed]
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Hold Shift while Right-Clicking a blank space in the desired folder to bring up a more verbose context menu. One of the options is Open Command Window Here. This works in Windows Vista, 7, 8, and 10. Since Windows 10 Creators Update...
Replace selector images programmatically
... to find (I've tried doing something similar myself), there's no way to modify a single state after the StateListDrawable has already been defined. You can, however, define a NEW one through code:
StateListDrawable states = new StateListDrawable();
states.addState(new int[] {android.R.attr.state_pr...
MySQL: selecting rows where a column is null
...= NULL is not really FALSE - it's NULL again. But it's not TRUE either, so IF(NULL = NULL) won't execute.
– Konerak
Jan 12 '11 at 19:50
1
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How do I convert from BLOB to TEXT in MySQL?
...'t work. The charset needs to be utf16 or else it will result in data loss if it encounters a set of bytes that can't be converted to utf8. It will replace those bytes with a ? character resulting in data loss.
– Dean Or
Aug 12 '19 at 20:21
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A field initializer cannot reference the nonstatic field, method, or property
... No, the compiler cannot rearrange the initializers. The C# Language Specification states, under the section "10.5.5.2 Instance field initialization", the following: The variable initializers are executed in the textual order in which they appear in the class declaration. This is even repeated in ...
Default height for section header in UITableView
...(UITableView *)tableView heightForHeaderInSection:(NSInteger)section
{
if(section == CUSTOM_SECTION)
{
return CUSTOM_VALUE;
}
return UITableViewAutomaticDimension;
}
share
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Why does Apple recommend to use dispatch_once for implementing the singleton pattern under ARC?
...ce {
static MyClass *sharedInstance;
@synchronized(self) {
if (sharedInstance == nil) {
sharedInstance = [[MyClass alloc] init];
}
}
return sharedInstance;
}
The benefit of dispatch_once() over this is that it's faster. It's also semantically cleaner, be...
How can I use mySQL replace() to replace strings in multiple records?
...ATTERN%'
In your case you say these were escaped but since you don't specify how they were escaped, let's say they were escaped to GREATERTHAN
UPDATE MyTable
SET StringColumn = REPLACE (StringColumn, 'GREATERTHAN', '>')
WHERE articleItem LIKE '%GREATERTHAN%'
Since your query is actually go...
Find all controls in WPF Window by type
...hildren<T>(DependencyObject depObj) where T : DependencyObject
{
if (depObj != null)
{
for (int i = 0; i < VisualTreeHelper.GetChildrenCount(depObj); i++)
{
DependencyObject child = VisualTreeHelper.GetChild(depObj, i);
if (child != null &...