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How to set size for local image using knitr for markdown?
... using this function is that it is portable in the sense that it works for all document formats that knitr supports, so you do not need to think if you have to use, for example, LaTeX or Markdown syntax, to embed an external image. Chunk options related to graphics output that work for normal R plot...
Get push notification while App in foreground iOS
... whether the notification was delivered to the already-running application by examining
// the application state.
if (application.applicationState == UIApplicationStateActive) {
// Nothing to do if applicationState is Inactive, the iOS already displayed an alert view...
How to update the value stored in Dictionary in C#?
...
It's possible by accessing the key as index
for example:
Dictionary<string, int> dictionary = new Dictionary<string, int>();
dictionary["test"] = 1;
dictionary["test"] += 1;
Console.WriteLine (dictionary["test"]); // will pri...
Passing arguments to require (when loading module)
...o a function (thus overriding the previous assignment). If you reverse the order of the assignment you should be able to access the auth function as you'd expect. Again it's hard to tell without actually seeing the code.
– David Weldon
Oct 31 '12 at 7:43
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Mockito matcher and array of primitives
...ls as possible (verifying the subsequent calls in the production code, the order of the verify's does not matter).
Here is the code:
import static org.mockito.AdditionalMatchers.*;
verify(mockObject).myMethod(aryEq(new byte[] { 0 }));
verify(mockObject).myMethod(aryEq(new byte[] { 1, 2 }))...
How to use jQuery to select a dropdown option?
...ML select elements have a selectedIndex property that can be written to in order to select a particular option:
$('select').prop('selectedIndex', 3); // select 4th option
Using plain JavaScript this can be achieved by:
// use first select element
var el = document.getElementsByTagName('select')[...
Where is Android Studio layout preview?
...was using the Dracula theme and had to switch back to the Default theme in order to see the "Design" and "Text" tabs visible at the bottom. Cheers.
– Joshua Pinter
Sep 19 '13 at 1:39
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What is the difference between a string and a byte string?
...e possible) - and you need to know which applies in the particular case in order to do the conversion, since a different encoding may map the same bytes to a different string:
>>> b'\xcf\x84o\xcf\x81\xce\xbdo\xcf\x82'.decode('utf-16')
'蓏콯캁澽苏'
>>> b'\xcf\x84o\xcf\x81\xce...
Emacs bulk indent for Python
...enter 8 spaces.
PS. With Ubuntu, to make python-mode the default mode for all .py files, simply install the python-mode package.
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Java String to SHA1
...g Base64. Apache Commons Codec API 1.4, has this nice utility to take away all the pain. refer here
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