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How do I enter RGB values into Interface Builder?
... Interface Builder? I can select predefined colors but I would like to manually enter in RGB values. Where can I do this?
5...
Undo git stash pop that results in merge conflict
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Excellent thanks! #6 is really the answer I was looking for. Could add a git stash drop as the last step to get rid of the unwanted stash from #2.
– austinmarton
Oct 17 '14 at 0:39
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What is the most efficient way to create a dictionary of two pandas Dataframe columns?
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I found a faster way to solve the problem, at least on realistically large datasets using:
df.set_index(KEY).to_dict()[VALUE]
Proof on 50,000 rows:
df = pd.DataFrame(np.random.randint(32, 120, 100000).reshape(50000,2),columns=list('AB'))
df['A'] = df['A'].apply(chr)
%timeit dict(zip(df...
What does -save-dev mean in npm install grunt --save-dev
...v: Package will appear in your devDependencies.
According to the npm install docs.
If someone is planning on downloading and using your module in their program, then they probably don't want or need to download and build the external test or documentation framework that you use.
In other wor...
HttpURLConnection timeout settings
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N.B. !!! you need to call setConnectTimeout before any of the methods that implicitly connect (basically all the methods that throw IllegalStateException if already connected). Ideally make setConnectTimeout (readTimeout) the first methods called....
Troubleshooting “The use statement with non-compound name … has no effect”
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PHP's use isn't the same as C++'s using namespace; it allows you to define an alias, not to "import" a namespace and thus henceforth omit the namespace qualifier altogether.
So, you could do:
use Blog\Article as BA;
... to shorten it, but you cannot get rid of it entirely.
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SQL update trigger only when column is modified
...ue, if new value equal to old value in one or multi row, solution 1 update all updated row in Schedule table but solution 2 update only schedule rows that old value not equal to new value.
share
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i...
Is errno thread-safe?
...t errno; so my question is, is it safe to check errno value after some calls or use perror() in multi-threaded code. Is this a thread safe variable? If not, then whats the alternative ?
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Reading a huge .csv file
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You are reading all rows into a list, then processing that list. Don't do that.
Process your rows as you produce them. If you need to filter the data first, use a generator function:
import csv
def getstuff(filename, criterion):
with ...
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...