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How do I get indices of N maximum values in a NumPy array?
...nity wiki
3 revs, 3 users 95%Fred Foo
27
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powershell 2.0 try catch how to access the exception
...try {
$w = New-Object net.WebClient
$d = $w.downloadString('http://foo')
}
catch [Net.WebException] {
Write-Host $_.Exception.ToString()
}
The exception is in the $_ variable. You might explore $_ like this:
try {
$w = New-Object net.WebClient
$d = $w.downloadString('http://fo...
How to get an MD5 checksum in PowerShell
...8.GetBytes($someString)))
If the content is a file:
$someFilePath = "C:\foo.txt"
$md5 = New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider
$hash = [System.BitConverter]::ToString($md5.ComputeHash([System.IO.File]::ReadAllBytes($someFilePath)))
Starting in PowerShell ve...
multiprocessing.Pool: When to use apply, apply_async or map?
...alling get().
For example:
import multiprocessing as mp
import time
def foo_pool(x):
time.sleep(2)
return x*x
result_list = []
def log_result(result):
# This is called whenever foo_pool(i) returns a result.
# result_list is modified only by the main process, not the pool workers....
What does “while True” mean in Python?
...ted to true.
When I first started programming I used to do things like if(foo == true), I didn't realise that was virtually the same thing as if(foo).
So when you say while(true) its like are saying while(true == true)
So to answer you question: While TRUE is True.
...
How to test an SQL Update statement before running it?
...t using the same WHERE clause as the UPDATE.
So if you UPDATE is
UPDATE foo
SET bar = 42
WHERE col1 = 1
AND col2 = 'foobar';
The following will show you which rows will be updated:
SELECT *
FROM foo
WHERE col1 = 1
AND col2 = 'foobar';
...
What's the best way to build a string of delimited items in Java?
...ava 8 you can use String.join():
List<String> list = Arrays.asList("foo", "bar", "baz");
String joined = String.join(" and ", list); // "foo and bar and baz"
Also have a look at this answer for a Stream API example.
...
How to turn off the Eclipse code formatter for certain sections of Java code?
...hat you want.
Else there is this ugly hack
String query = //
"SELECT FOO, BAR, BAZ" + //
" FROM ABC" + //
" WHERE BAR > 4";
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Static and Sealed class differences
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static class Foo : object { } is valid, but is essentially static class Foo { }.
– themefield
Apr 24 '19 at 17:41
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how do I use the grep --include option for multiple file types?
... in this case, because only files literally named something like --include=foo.html would match. To be safe, quote the * (which can you do individually with \*). As an added bonus this makes it visually clearer that is not the shell that should perform the globbing in this case.
...