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Windows batch: sleep [duplicate]
...n XXX 127.0.0.1 >nul
where XXX is the number of seconds to wait, plus one.
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The new syntax “= default” in C++11
...does still seem to be a difference, though, with constexpr (which you mentioned should not make a difference here): struct S1 { int m; S1() {} S1(int m) : m(m) {} }; struct S2 { int m; S2() = default; S2(int m) : m(m) {} }; constexpr S1 s1 {}; constexpr S2 s2 {}; Only s1 gives an error, not s2. In b...
Select rows of a matrix that meet a condition
...[m[, "three"] == 11,]
Or by number:
m[m[,3] == 11,]
Note that if only one row matches, the result is an integer vector, not a matrix.
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how to calculate binary search complexity
... of seeing it, though not really complicated. IMO much clearer as informal ones:
The question is, how many times can you divide N by 2 until you have 1? This is essentially saying, do a binary search (half the elements) until you found it. In a formula this would be this:
1 = N / 2x
multiply ...
How to get IntPtr from byte[] in C#
...HGlobal(unmanagedPointer);
Alternatively you could declare a struct with one property and then use Marshal.PtrToStructure, but that would still require allocating unmanaged memory.
Edit: Also, as Tyalis pointed out, you can also use fixed if unsafe code is an option for you
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Notepad++ Multi editing
...our text, click the 'record' button in the ribbon, and then edit just that one row of text. You may only use arrow keys or ctrl+arrow keys to move around characters/words rather than clicking with your mouse. The 'home' and 'end' keys are also useful.
When you're finished with that one line, move ...
How do I install jmeter on a Mac?
...ate" as the recipe is pointing to an older version 2.11 of jmeter than the one currently hosted by the mirror 2.12.
– Erich
Jan 20 '15 at 19:02
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How to change ProgressBar's progress indicator color in Android
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I copied this from one of my apps, so there's prob a few extra attributes, but should give you the idea. This is from the layout that has the progress bar:
<ProgressBar
android:id="@+id/ProgressBar"
style="?android:attr/progressBar...
Why is Magento so slow? [closed]
...s any better. Last I checked HHVM doesn't support Magento, but if it were done, would that help?
– Bharadwaj Srigiriraju
Jan 21 '15 at 12:28
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What does `kill -0 $pid` in a shell script do?
... by sig to pid, a process or a group of processes. Typically, Sig will be one of the signals specified in sigaction(2). A value of 0, however, will cause error checking to be performed (with no signal being sent). This can be used to check the validity of pid.
– lukecam...