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SVN command to delete all locally missing files
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Just a hint for users of scripts etc., this command fails if no files to delete are found: svn: E205001: Try 'svn help delete' for more information svn: E205001: Not enough arguments provided
– Thorsten Schöning
Jul 9 ...
importing pyspark in python shell
...se scripts will take care of both, i.e. they set up your PYTHONPATH, PATH, etc, so that your script can find pyspark, and they also start the spark instance, configuring according to your params, e.g. --master X
Alternatively, it is possible to bypass these scripts and run your spark application di...
Priority queue in .Net [closed]
... i.e. the Peek operation. And here it involves enumerator setup, for-loop, etc. Why!? Also, the "Enqueue" operation rather than being O(logN) - another key feature of the heap, has one O(longN) swipe because of "ContainsKey", a second one (again O(longN)) to add the Queue entry (if needed), a third ...
Why should text files end with a newline?
...ning how critical it is to end files with an EOL. In C, C++, Java (JARs), etc... some standards will dictate a newline for validity - no such standard exists for JS, HTML, CSS.
For example, instead of using wc -l filename one could do awk '{x++}END{ print x}' filename , and rest assured that the t...
Append text to input field
...d text each time, so you end up with "more text" then "more textmore text" etc.
– James
Sep 8 at 15:59
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Split array into chunks
... be consuming your code (3rd parties, coworkers, yourself at a later date, etc.).
There are ways to safely extend prototypes (but not in all browsers) and there are ways to safely consume objects created from extended prototypes, but a better rule of thumb is to follow the Principle of Least Surpri...
What is the Swift equivalent to Objective-C's “@synchronized”?
...) & objc_sync_exit(…) are public headers provided by the iOS/macOS/etc. APIs (looks like they're inside the ….sdk at the path usr/include/objc/objc-sync.h). The easiest way to find out if something is a public API or not is to (in Xcode) type the function name (e.g. objc_sync_enter(); argum...
C# pattern to prevent an event handler hooked twice [duplicate]
...an't prevent multiple subscriptions, so, make them figure out the removal, etc... besides, why prevent someone from subscribing the same handler more than once if the want to?)
– Code Jockey
Jun 19 '14 at 15:31
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Javascript trick for 'paste as plain text` in execCommand
...he most reliable:
It catches all kinds of pasting (Ctrl+V, context menu, etc.)
It allows you to get the clipboard data directly as text, so you don't have to do ugly hacks to replace HTML.
I'm not sure of cross-browser support, though.
editor.addEventListener("paste", function(e) {
// cance...
Lazy Method for Reading Big File in Python?
...for blobs, but may not be good for line separated content (like CSV, HTML, etc where processing needs to be handled line by line)
– cgseller
Aug 6 '15 at 0:42
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