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How do you run your own code alongside Tkinter's event loop?
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How does the Comma Operator work
... guaranteed to have its three subexpressions (a+b, c() and d) evaluated in order. This is significant if they have side-effects. Normally compilers are allowed to evaluate subexpressions in whatever order they find fit; for example, in a function call:
someFunc(arg1, arg2, arg3)
arguments can be ...
How do I specify the Linq OrderBy argument dynamically?
How do I specify the argument passed to orderby using a value I take as a parameter?
11 Answers
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Converting pfx to pem using openssl
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In that case you could reorder the cat command to put it first. like: cat file.key file.nokey.pem > file.combo.pem Unless the file.key itself has multiple in wrong order. But either case, you could likely re-arrange stuff programmatically.
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How can I detect if this dictionary key exists in C#?
...n your base namespace to do a check and then call the base's Add method in order to actually add it. Hope this works for you
using System;
using System.Collections.Generic;
using System.Collections;
namespace Main
{
internal partial class Dictionary<TKey, TValue> : System.Collections.Gen...
How do I force Postgres to use a particular index?
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I even had to set random_page_cost = 0.1 in order to make index scan work on large (~600M rows table) in Pg 10.1 on Ubuntu. Without the tweak, seq scan (despite being parallel) was taking 12 mins (Note that Analyze table was performed!). Drive is SSD. After the tweak,...
How unique is UUID?
...ely generate a batch of 16,384 UUIDs within the span of a single "tick" in order to overflow the sequence number. I have seen this happen with an implementation that relied, naively, on a clock source that (1) had μs-level granularity, and (2) was not guaranteed to be monotonic (system clocks are ...
Should image size be defined in the img tag height/width attributes or in CSS? [duplicate]
...bitrary user agent (e.g. a speech browser) should have that information in order to relate it to the user. At the least, the aspect ratio could prove useful ("image has a width of 15 and a height of 200"). Such user agents wouldn't necessarily process any CSS.
The spec says that the width and heigh...
What is the difference between an int and an Integer in Java and C#?
...t store int or other non-object types in collections (List, Map, etc.). In order to store them, you must first box them up in its corresponding boxed type.
Java 5 onwards have something called auto-boxing and auto-unboxing which allow the boxing/unboxing to be done behind the scenes. Compare and co...
What is the meaning of prepended double colon “::”?
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Noteworthy differences:
1) shells tend to use the first match using the ordering in PATH, whereas C++ gives a compiler error when you've been ambiguous.
2) In C++, names without any leading scope can be matched in the current namespace, while most UNIX shells only do that if you put . in the PAT...