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Mercurial move changes to a new branch
...et's say the changesets to move are revisions 1-3:
hg qimport -r 1:3 # convert revisions to patches
hg qpop -a # remove all them from history
hg branch new # start a new branch
hg qpush -a # push them all back into history
hg qfin -a # finalize the patches
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Throwing exceptions from constructors
...ing a debate with a co-worker about throwing exceptions from constructors, and thought I would like some feedback.
10 Answe...
Is there a way to iterate over a slice in reverse in Go?
... The effective go page an example, but this one is actually a bit nicer and declares fewer variables.
– Kevin Cantwell
Dec 5 '13 at 21:07
3
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Create an empty data.frame
...hout any rows. Basically, I want to specify the data types for each column and name them, but not have any rows created as a result.
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Restore the state of std::cout after manipulating it
...//Your code here...
cout.flags( f );
You can put these at the beginning and end of your function, or check out this answer on how to use this with RAII.
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How does the ThreadStatic attribute work?
...IL level, in the .NET jit compiler. Compilers that emit to IL like VB.NET and C# don't need to know anything about Win32 TLS in order to emit IL code that can read and write a variable that has the ThreadStatic attribute. There's nothing special about the variable as far as C# knows - it's just a ...
How to set RelativeLayout layout params in code not in xml?
...swered Mar 4 '11 at 8:01
Rohit MandiwalRohit Mandiwal
9,16244 gold badges5757 silver badges7575 bronze badges
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How do I make a dotted/dashed line in Android?
.../dotted.xml:
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="line">
<stroke
android:color="#C7B299"
android:dashWidth="10px"
android:dashGap="10px"
android:width="1dp"/>
</s...
Objective-C Static Class Level variables
...ch stores a unique ID. In C#, Java etc I can define a static int currentID and each time i set the ID i can increase the currentID and the change occurs at the class level not object level. Can this be done in Objective-C? I've found it very hard to find an answer for this.
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Why does SIGPIPE exist?
From my understanding, SIGPIPE can only occur as the result of a write() , which can (and does) return -1 and set errno to EPIPE ... So why do we have the extra overhead of a signal? Every time I work with pipes I ignore SIGPIPE and have never felt any pain as a result, am I missing somethin...