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Capturing Groups From a Grep RegEx
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If you're using Bash, you don't even have to use grep:
files="*.jpg"
regex="[0-9]+_([a-z]+)_[0-9a-z]*"
for f in $files # unquoted in order to allow the glob to expand
do
if [[ $f =~ $regex ]]
then
name="${BASH_REMATCH[1]}"
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How to avoid reverse engineering of an APK file?
...f reverse engineering.
And also very well said by @inazaruk: Whatever you do to your code, a potential attacker is able to change it in any way she or he finds it feasible. You basically can't protect your application from being modified. And any protection you put in there can be disabled/removed....
How do I write unencoded Json to my View using Razor?
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You do:
@Html.Raw(Json.Encode(Model.PotentialAttendees))
In releases earlier than Beta 2 you did it like:
@(new HtmlString(Json.Encode(Model.PotentialAttendees)))
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How do you add a Dictionary of items into another Dictionary
...rator to add the contents of one Array to another. Is there an easy way to do that for a dictionary?
28 Answers
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How to zero pad a sequence of integers in bash so that all have the same width?
...ers as it outputs the list. For example:
for i in $(seq -f "%05g" 10 15)
do
echo $i
done
will produce the following output:
00010
00011
00012
00013
00014
00015
More generally, bash has printf as a built-in so you can pad output with zeroes as follows:
$ i=99
$ printf "%05d\n" $i
00099
Yo...
Why do you use typedef when declaring an enum in C++?
...ariable like this:
enum TokenType my_type;
As mentioned by others, this doesn't make a difference in C++. My guess is that either the person who wrote this is a C programmer at heart, or you're compiling C code as C++. Either way, it won't affect the behaviour of your code.
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How do I detect when someone shakes an iPhone?
I want to react when somebody shakes the iPhone. I don't particularly care how they shake it, just that it was waved vigorously about for a split second. Does anyone know how to detect this?
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How do I detect IE 8 with jQuery?
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It is documented in jQuery API Documentation. Check for Internet Explorer with $.browser.msie and then check its version with $.browser.version.
UPDATE: $.browser removed in jQuery 1.9
The jQuery.browser() method has been depr...
How to resolve “Waiting for Debugger” message?
I have HTC Comet connected to Eclipse with SDK 2.2. I do a debug build - the application does not run; though it does get installed on the device. On the device I get this message box on the Comet screen
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How to copy a collection from one database to another in MongoDB
Is there a simple way to do this?
19 Answers
19
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