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How to define a two-dimensional array?
...
[[0 for x in range(cols_count)] for x in range(rows_count)]
– songhir
Nov 27 '14 at 2:48
3
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How can Perl's print add a newline by default?
...tioned that the question refers to Perl 5?
– wobbily_col
Nov 22 '17 at 12:18
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How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
...droidkeystore like that created in C drive.
C:\Program Files\Java\jdk1.7.0_05\bin>keytool -v -list -keystore C:\Androidkeyst
ore\debug.keystore
it asks here..
Enter keystore password: android
enter you got here MD5 & SHA1..etc
Keystore type: JKS
Keystore provider: SUN
Your keystore cont...
How to change Vagrant 'default' machine name?
...onfigure('2') do |config|
config.vm.box = "precise64"
config.vm.box_url = "http://files.vagrantup.com/precise64.box"
end
VirtualBox GUI Name: "nametest_default_1386347922"
Comments: The name defaults to the format DIRECTORY_default_TIMESTAMP.
Define VM
Vagrant.configure('2') do |config...
How can I specify a local gem in my Gemfile?
...nly by using the following configuration option:
$ bundle config local.GEM_NAME /path/to/local/git/repository
This is extremely helpful if you're developing two gems or a gem and a rails app side-by-side.
Note though, that this only works when you're already using git for your dependency, for ex...
How to set UICollectionViewDelegateFlowLayout?
...NSCollectionViewDelegateFlowLayout**
{
the method:
func collectionView(_ collectionView: NSCollectionView,
layout collectionViewLayout: NSCollectionViewLayout,
sizeForItemAt indexPath: IndexPath) -> NSSize
will be called.
If removed, no delegate meth...
MongoDB aggregation framework match OR
... as your example. See docs.mongodb.org/manual/reference/operator/query/or/#_S_or%22
– Mark Gibaud
Jan 9 '14 at 15:31
...
Entity Framework: There is already an open DataReader associated with this Command
...ng to iterate is kind of lazy loading (IQueriable).
foreach (var user in _dbContext.Users)
{
}
Converting the IQueriable collection into other enumerable collection will solve this problem.
example
_dbContext.Users.ToList()
Note: .ToList() creates a new set every-time and it can cause th...
How do I create 7-Zip archives with .NET?
...solution is to use Process.Start("7z.exe......)
– klm_
Oct 1 '17 at 7:34
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How to retrieve GET parameters from javascript? [duplicate]
... .split('&')
.reduce(function _reduce (/*Object*/ a, /*String*/ b) {
b = b.split('=');
a[b[0]] = decodeURIComponent(b[1]);
return a;
}, {});
...