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How to search contents of multiple pdf files?
...
Your distribution should provide a utility called pdftotext:
find /path -name '*.pdf' -exec sh -c 'pdftotext "{}" - | grep --with-filename --label="{}" --color "your pattern"' \;
The "-" is necessary to have pdftotext output to stdout, not to files.
The --with-filen...
How do I use the CONCAT function in SQL Server 2008 R2?
...he + operator, as @lynn-langit mentions in her answer, which I at first totally missed because I only read the accepted answer...
– Svish
May 19 '15 at 13:11
7
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How do I convert a numpy array to (and display) an image?
...good to know: If you want to display grayscale images, it is advisable to call plt.gray() once in your code to switch all following graphs to grayscale. Not what the OP wants but good to know nevertheless.
– Cerno
Feb 28 '17 at 12:21
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Android Get Current timestamp?
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From developers blog:
System.currentTimeMillis() is the standard "wall" clock (time and date) expressing milliseconds since the epoch. The wall clock can be set by the user or the phone network (see setCurrentTimeMillis(long)), so the time may jump backwards or forwards unpredictably. This c...
The static keyword and its various uses in C++
... no matter what, thus preventing the static initialization order fiasco.
T& get_global() {
static T global = initial_value();
return global;
}
Be careful, because when the spec says namespace-scope variables have "static storage duration" by default, they mean the "lifetime of the trans...
Understanding scala enumerations
...er Value representing the individual elements of the enumeration (it's actually an inner class, but the difference doesn't matter here).
Thus object WeekDay inherits that type member. The line type WeekDay = Value is just a type alias. It is useful, because after you import it elsewhere with import...
Getting reference to the top-most view/window in iOS application
...e off the screen, have an alpha of 0.0, or could be have size of 0x0 for example.
It could also be that the keyWindow has no subviews, so you should probably test for that first. This would be unusual, but it's not impossible.
UIWindow is a subclass of UIView, so if you want to make sure your noti...
Running script upon login mac [closed]
...oolbar (if hidden)
add Run shell script (from the Actions/Utilities)
copy & paste your script into the window
test it
save somewhere (for example you can make an Applications folder in your HOME, you will get an your_name.app)
go to System Preferences -> Accounts -> Login items
add this a...
Can I change the fill color of an svg path with CSS?
...h the element, just as when styling HTML. If you just want to apply it to all SVG paths, you could use, for example:
path {
fill: blue;
}
External CSS appears to override the path's fill attribute, at least in WebKit and Gecko-based browsers I tested. Of course, if you write, say, &lt...
RVM is not a function, selecting rubies with 'rvm use …' will not work
... need the following in your ~/.profile [[ -s "$HOME/.rvm/scripts/rvm" ]] && . "$HOME/.rvm/scripts/rvm"
– nadersoliman
Sep 3 '14 at 4:30
3
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