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HashSet versus Dictionary w.r.t searching time to find if an item exists
...estion as the OP. I already have a dictionary i'm using for other reasons, and wanted to know if i benefit from changing to a Hashset instead of using ContainsKey. Looks like the answer is no since both are so fast.
– FistOfFury
Sep 12 '12 at 19:15
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In absence of preprocessor macros, is there a way to define practical scheme specific flags at proje
Before swift I would define a set of schemes for alpha, beta, and distribution builds. Each of these schemes would have a set of macros that were defined to gate certain behaviors at the project level. The simplest example is the DEBUG=1 macro that is defined by default for all Xcode projects in t...
Programmatically change input type of the EditText from PASSWORD to NORMAL & vice versa
...n my application, I have an EditText whose default input type is set to android:inputType="textPassword" by deault. It has a CheckBox to its right, which is when checked, changes the input type of that EditText to NORMAL PLAIN TEXT. Code for that is
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Is there a way to suppress JSHint warning for one given line?
I have a (single) case in my app were eval is used, and I would like to suppress JSHint warning only for this case.
3 Ans...
array_push() with key value pair
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$data['cat'] = 'wagon';
That's all you need to add the key and value to the array.
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is of a type that is invalid for use as a key column in an index
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A unique constraint can't be over 8000 bytes per row and will only use the first 900 bytes even then so the safest maximum size for your keys would be:
create table [misc_info]
(
[id] INTEGER PRIMARY KEY IDENTITY NOT NULL,
[key] nvarchar(450) UNIQUE NOT NULL,
[v...
Intersection of two lists in Bash
...und in two lists. To simplify, let's use ls as an example. Imagine "one" and "two" are directories.
6 Answers
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Validating IPv4 addresses with regexp
...aptured either way if we didn't have a full-match in the first place.
Old and shorter version (less readable) (63 chars)
^(?:(25[0-5]|2[0-4][0-9]|1[0-9]{2}|[1-9]?[0-9])(\.(?!$)|$)){4}$
Older (readable) version (70 chars)
^(?:(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9][0-9]|[0-9])(\.(?!$)|$)){4}$
It ...
How to extract public key using OpenSSL?
The following command generates a file which contains both public and private key:
5 Answers
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Angular JS break ForEach
I have an angular foreach loop and i want to break from loop if i match a value. The following code does not work.
21 Answe...