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How can I strip first X characters from string using sed?
...eed to "clean", so I need to cut away X first characters and ${string:5} doesn't work for some reason in my system.
11 An...
How can you iterate over the elements of an std::tuple?
...
Boost.Fusion is a possibility:
Untested example:
struct DoSomething
{
template<typename T>
void operator()(T& t) const
{
t.do_sth();
}
};
tuple<....> t = ...;
boost::fusion::for_each(t, DoSomething());
...
What is the best way to ensure only one instance of a Bash script is running? [duplicate]
...ed your script will be the only one with access to execution. When you are done, just remove the lock. In script form this might look like:
#!/bin/bash
lockfile -r 0 /tmp/the.lock || exit 1
# Do stuff here
rm -f /tmp/the.lock
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How to swap keys and values in a hash
How do I swap keys and values in a Hash?
6 Answers
6
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Passing base64 encoded strings in URL
... certain situations; while replacing those characters with some other will do the trick while preserving same length. And it's quite standard solution too.
– Michał Górny
Sep 3 '09 at 20:58
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Use of .apply() with 'new' operator. Is this possible?
...ion that takes a limited number of arguments. The bind method allows us to do it like so:
var f = Cls.bind(anything, arg1, arg2, ...);
result = new f();
The anything parameter doesn't matter much, since the new keyword resets f's context. However, it is required for syntactical reasons. Now, for th...
First-time database design: am I overengineering? [closed]
... first year CS student and I work part time for my dad's small business. I don't have any experience in real world application development. I have written scripts in Python, some coursework in C, but nothing like this.
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Reordering arrays
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This is a good answer, and the splice() within a splice() does the job well. It should be noted, however, that adding a move() method to the Array prototype is called "Monkey Patching" and is typically considered bad practice. stackoverflow.com/questions/5741877/…
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Build and Version Numbering for Java Projects (ant, cvs, hudson)
...roject.properties"
comment="This file is automatically generated - DO NOT EDIT">
<entry key="buildtime" value="${builtat}"/>
<entry key="build" value="${svnversion}"/>
<entry key="builder" value="${whoami}"/>
<entry key="version...
How to disable phone number linking in Mobile Safari?
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This seems to be the right thing to do, according to the Safari HTML Reference:
<meta name="format-detection" content="telephone=no">
If you disable this but still want telephone links, you can still use the "tel" URI scheme.
Here is the relevant page...