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How can I check if a key exists in a dictionary? [duplicate]
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Where did the word "array" come from in this answer?
– Ray Salemi
Mar 29 '17 at 17:19
7
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100% width Twitter Bootstrap 3 template
...achieve that layout with bootstrap 3. I am using the Geometry PSD template from themeforest, the link here if you want to see the layout : http://themeforest.net/item/geometry-design-for-geolocation-social-networkr/4752268
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How do I compare strings in Java?
...tion where you know you're dealing with interned strings, you can use ==.
From JLS 3.10.5. String Literals:
Moreover, a string literal always refers to the same instance of class String. This is because string literals - or, more generally, strings that are the values of constant expressions (...
Using the scrollwheel in GNU screen
... is a glob match of your current TERM. To confirm it works, ^A^D to detach from your screen, then screen -d -r to reattach, then ls a few times, and try to scroll back. It works for me.
What is this magic? Well, let's consult the manual pages.
screen(1) says:
termcapinfo term terminal-tweaks [...
Equivalent C++ to Python generator pattern
...ist in C++, just under another name: Input Iterators. For example, reading from std::cin is similar to having a generator of char.
You simply need to understand what a generator does:
there is a blob of data: the local variables define a state
there is an init method
there is a "next" method
ther...
Evaluate expression given as a string
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Alternatively, you can use evals from my pander package to capture output and all warnings, errors and other messages along with the raw results:
> pander::evals("5+5")
[[1]]
$src
[1] "5 + 5"
$result
[1] 10
$output
[1] "[1] 10"
$type
[1] "numeric"
$m...
Calling the base constructor in C#
If I inherit from a base class and want to pass something from the constructor of the inherited class to the constructor of the base class, how do I do that?
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Javascript add leading zeroes to date
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Here is an example from the Date object docs on the Mozilla Developer Network using a custom "pad" function, without having to extend Javascript's Number prototype. The handy function they give as an example is
function pad(n){return n<10 ?...
Include .so library in apk in android studio [duplicate]
... Works in v0.4 as well, although I had to modify the copy command's "from" to grab the so files out of the project directory instead of the build directory.
– J c
May 27 '13 at 23:54
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Maximum length of the textual representation of an IPv6 address?
... the scope zone stackoverflow.com/questions/5746082/…, e.g. you get that from RemoteEndpointMessageProperty.Address
– Rory
Jun 18 '12 at 10:26
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