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How can you check which options vim was compiled with?
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You can see everything vim was compiled with by executing
:version
To query for an exact feature like python you can use the has() function with the feature you are looking for. The code below will return a 1 if it has the feature or 0 if it does not.
:echo has('pyt...
Python “raise from” usage
...ibute is set and the message states that the exception was directly caused by. If you omit the from then no __cause__ is set, but the __context__ attribute may be set as well, and the traceback then shows the context as during handling something else happened.
Setting the __context__ happens if you...
How to get the last element of a slice?
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Should bower_components be gitignored?
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N.B. If you aren't authoring a package that is intended to be consumed by others (e.g., you're building a web app), you should always check installed packages into source control.
Make sure to check out the link in the quote, it discusses some pro and cons. The main pro it mentions is that che...
MySQL IF NOT NULL, then display 1, else display 0
...e up above is correct, but I wanted to clarify this nuance as it caught me by surprise.
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What does “not run” mean in R help pages?
...show' encloses code that is invisible on help pages, but will
be run both by the package checking tools, and the
'example()' function. This was previously 'testonly', and
that form is still accepted.
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Adjusting Eclipse console size
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inserting characters at the start and end of a string
..."L" + yourstring + "LL"
Note that you can also create a string with n Ls by using multiplication:
m = 1
n = 2
yourstring = ("L" * m) + yourstring + ("L" * n)
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When to use valueChangeListener or f:ajax listener?
...hen using <f:ajax listener> instead of valueChangeListener, it would by default executed during the HTML DOM change event already. Inside UICommand components and input components representing a checkbox or radiobutton, it would be by default executed during the HTML DOM click event only.
<...
Catch-22 prevents streamed TCP WCF service securable by WIF; ruining my Christmas, mental health
...se out the message with the usual hash function and xml signature required by ws-security. If it has to read the entire stream to sign the single message (which is not really a message, but it's a single continuous stream) then you can see the problem here. WCF will have to stream it once "locally" ...