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How to define a two-dimensional array?
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You're technically trying to index an uninitialized array. You have to first initialize the outer list with lists before adding items; Python calls this
"list comprehension".
# Creates a list containing 5 lists, each of 8 items, all set t...
Merge and interleave two arrays in Ruby
... that Chris wants to interleave the elements, not concatenate them. Essentially, he wants [a, s].transpose except that the two rows don't conform, leaving #zip as the obvious solution. And I don't believe he meant that he really cared whether a was mutated ... I don't think he was commenting on a mu...
How do I list all versions of a gem available at a remote site?
...re safe (if putting sth like that in a script or README) is to put it in a string so that we're sure we pass it 1-1, i.e. gem list '^rhc$' etc.
– mgol
Oct 2 '13 at 3:04
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How to check if a String contains any of some strings
I want to check if a String s, contains "a" or "b" or "c", in C#.
I am looking for a nicer solution than using
14 Answers
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WebClient vs. HttpWebRequest/HttpWebResponse
.... WebClient has a Headers property, you can retrieve the cookie like this: String cookie = webClient.ResponseHeaders(“Set-Cookie”) and set it: webClient.Headers.Add("Cookie", "CommunityServer-UserCookie…");
– Dan
Nov 7 '09 at 21:23
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How to get JS variable to retain value after page refresh? [duplicate]
... will return null if no value stored, or the value stored.
Note that only string values can be stored in this storage, but this can be overcome by using JSON.stringify and JSON.parse. Technically, whenever you call .setItem(), it will call .toString() on the value and store that.
MDN's DOM storage...
java.net.ConnectException: Connection refused
...ing this error. after reading a lot from the buddy WEB, I then closed out all the simulators and eclipse, killed the ADP in the task manager and then restarted the Eclipse and everything is started working properly. I think when you have multiple simulators running and then you try to connect devi...
Split a String into an array in Swift?
Say I have a string here:
37 Answers
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Should I index a bit field in SQL Server?
...ng a field with low cardinality (a low number of distinct values) is not really worth doing. I admit I don't know enough about how indexes work to understand why that is.
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How can I get the MD5 fingerprint from Java's keytool, not only SHA-1?
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With JDK 1.7 installed, keytool always outputs by default SHA1 fingerprint, not MD5.
you can get the MD5 Certificate by adding -v option.
use the following code:-
C:\Program Files\Java\jdk1.7.0\bin>keytool -v -list -alias
androiddebugke...