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What is the difference between the WPF TextBlock element and Label control? [duplicate]
Visually both of the following snippets produce the same UI. So why are there 2 controls..
Snippet1
6 Answers
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Failed to build gem native extension (installing Compass)
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In order to install compass On Mac OS X 10.10 (Yosemite)had to perform the following:
1. Set Up Ruby Environment
Ensure ruby is installed and up to date: ruby -v
Update gem's sudo gem update --system
2. Set Up MAC Environme...
Creating a zero-filled pandas data frame
...s as an existing data frame, you can just multiply the existing data frame by zero:
df_zeros = df * 0
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The written versions of the logical operators
...al Studio (as of VS2013), you must set a specific compiler option (/Za) in order to support the alternative keywords (see stackoverflow.com/a/555524/368896). That presumably also has other impacts. So, in Visual Studio, it's not necessarily safe to take this advice.
– Dan Nis...
Take a full page screenshot with Firefox on the command-line
...er Toolbar to open a command line. Write:
screenshot
and press Enter in order to take a screenshot.
To fully answer the question, you can even save the whole page, not only the visible part of it:
screenshot --fullpage
And to copy the screenshot to clipboard, use --clipboard option:
screensh...
Changing UIImage color
... edited Dec 23 '18 at 22:48
Byte1518
7622 silver badges66 bronze badges
answered Nov 17 '14 at 4:31
Ankish...
How to specialize std::hash::operator() for user-defined type in unordered containers?
To support user-defined key types in std::unordered_set<Key> and std::unordered_map<Key, Value>
one has to provide operator==(Key, Key) and a hash functor:
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How do you return the column names of a table?
...umns.id
where sysobjects.xtype = 'u'
and sysobjects.name = 'MyTableName'
order by syscolumns.name
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Write applications in C or C++ for Android? [closed]
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Normally, you have to:
Install Google Android NDK. It
contains libs, headers, makfile
examples and gcc toolchain
Build an executable from your C code
for ARM, optimize and link it with
provided libs if required
Connect to a pho...
Is there a “do … until” in Python? [duplicate]
...eadable. do_something() while condition do_something(). The article posted by @Brandon is calling this a sentinel loop. At the end of the day it's a stylistic choice left to linters, codebase consistency, and/or team choice. Everytime I see a while True I fear it never ends, which is why I like to ...