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cannot load such file — zlib even after using rvm pkg install zlib
I installed zlib package and ruby 1.9.3 using rvm, but whenever I try to install
gems it says
cannot load such file -- zlib
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Validation failed for one or more entities. See 'EntityValidationErrors' property for more details [
...net as well in msdn.microsoft.com/en-us/library/ms164891.aspx, however the cast is probably not defined for vb.net, and instead you should probably do DirectCast ($exception,System.Data.Entity.Validation.DbEntityValidationException)
– yoel halb
Jul 16 '15 at 19...
What is the default value for enum variable?
...iterally 0, although its type remains as G (as quoted by the docs above, a cast to the given enum type).
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Using generic std::function objects with member functions in one class
... Just add a little tip: member function pointer can be implicitly cast to std::function, with extra this as it's first parameter, like std::function<void(Foo*, int, int)> = &Foo::doSomethingArgs
– landerlyoung
Nov 25 '19 at 6:44
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How to remove items from a list while iterating?
... Python lists, with minimal modifications. For instance, not all languages cast empty lists to a False as Python does. You can substitute while somelist: for something more explicit like while len(somelist) > 0:.
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Clearing intent
My Android app is getting called by an intent that is passing information (pendingintent in statusbar).
20 Answers
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What is the correct way of using C++11's range-based for?
...lt;X> initialization ...]
Elements:
1 3 5 7 9
Without any spurious (and potentially expensive) copy constructor call.
So, when observing elements in a container (i.e., for read-only access),
the following syntax is fine for simple cheap-to-copy types, like int, double, etc.:
for (auto elem ...
ExecJS::RuntimeError on Windows trying to follow rubytutorial
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My friend was attempting a Rails tutorial on Win 8 RTM a few months ago and ran into this error. Not sure if this issue exists in Windows 7 as well, but this may help.
Options:
1) Removing //= require_tree . / Ignoring the issue - As ColinR stated above, this line should not be causing an issue...
How can I time a code segment for testing performance with Pythons timeit?
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You can use time.time() or time.clock() before and after the block you want to time.
import time
t0 = time.time()
code_block
t1 = time.time()
total = t1-t0
This method is not as exact as timeit (it does not average several runs) but it is straightforward.
time.time...
Java client certificates over HTTPS/SSL
...contains the client certificate and client private key, created with BouncyCastle:
public static byte[] convertPEMToPKCS12(final String keyFile, final String cerFile,
final String password)
throws IOException, CertificateException, KeyStoreException, NoSuchAlgorithmException,
NoSuchProv...