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How to compare strings in Bash
...if [ = "valid" ]; then
Non-standard use of == operator
Note that Bash allows == to be used for equality with [, but this is not standard.
Use either the first case wherein the quotes around $x are optional:
if [[ "$x" == "valid" ]]; then
or use the second case:
if [ "$x" = "valid" ]; then
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Center a DIV horizontally and vertically [duplicate]
Is there a way to CENTER A DIV vertically and horizontally but, and that is important, that the content will not be cut when the window is smaller than the content The div must have a background color and a width and hight.
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Laravel Migration Change to Make a Column Nullable
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->change() requires you to install the Doctrine DBAL package, and it does not inherently recognize all the same column types that are available out of the box from laravel.. for example double is not a recognized column type to DBAL.
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Is “IF” expensive?
... work.
The current instruction to be executed is stored in something typically called the instruction pointer (IP) or program counter (PC); these terms are synonymous, but different terms are used with different architectures. For most instructions, the PC of the next instruction is just the curre...
Conversion of System.Array to List
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None of these examples actually answer the actual question. But I guess he accepted the answer so he was happy. Still, not one of these actually convert an Array to a List. "Conversion of System.Array to List". Should add that example for completeness ...
Convert javascript array to string
...hich is pretty rubbish. This answer is just a worse way to write the same call to the same broken, native string method. 42 upvotes??
– Carl Smith
Jun 13 '14 at 22:53
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Super-simple example of C# observer/observable with delegates
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The observer pattern is usually implemented with events.
Here's an example:
using System;
class Observable
{
public event EventHandler SomethingHappened;
public void DoSomething() =>
SomethingHappened?.Invoke(this, EventArgs.Empt...
PyLint “Unable to import” error - how to set PYTHONPATH?
... Brian M. HuntBrian M. Hunt
67.3k6464 gold badges201201 silver badges321321 bronze badges
8
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HTTP POST with URL query parameters — good idea or not? [closed]
...a command to the resource to limit the scope of the current request. Typically, query strings are used to sort or filter a GET request (like ?page=1&sort=title) but I suppose it makes sense on a POST to also limit the scope (perhaps like ?action=delete&id=5).
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Python requests - print entire http request (raw)?
...ests.post(...) (or requests.get or requests.put, etc) methods, you can actually get the PreparedResponse through response.request. It can save the work of manually manipulating requests.Request and requests.Session, if you don't need to access the raw http data before you receive a response.
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