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Check if string begins with something? [duplicate]
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Use stringObject.substring
if (pathname.substring(0, 6) == "/sub/1") {
// ...
}
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Preferred method to store PHP arrays (json_encode vs serialize)
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20 Answers
20
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Check if a string has white space
...e input string:
function hasWhiteSpace(s) {
return s.indexOf(' ') >= 0;
}
Or you can use the test method, on a simple RegEx:
function hasWhiteSpace(s) {
return /\s/g.test(s);
}
This will also check for other white space characters like Tab.
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How to read the output from git diff?
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Lets take a look at example advanced diff from git history (in commit 1088261f in git.git repository):
diff --git a/builtin-http-fetch.c b/http-fetch.c
similarity index 95%
rename from builtin-http-fetch.c
rename to http-fetch.c
index f3e63d7..e8f44ba 100644
--- a/builtin-http-fetch.c
+++ b/htt...
How to display long messages in logcat
... to display long message on logcat. If the length of message is more than 1000 characters, it gets broken.
10 Answers
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Declaration/definition of variables locations in ObjectiveC?
...properties can be declared.
Before "modern" Objective-C (in "old" Obj-C 2.0) you didn't have a lot of choices. Instance variables used to be declared in the header between the curly brackets { }:
// MyClass.h
@interface MyClass : NSObject {
int myVar;
}
@end
You were able to access these var...
How to use base class's constructors and assignment operator in C++?
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edited Dec 1 '09 at 7:22
answered Aug 4 '09 at 11:32
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Difference between thread's context class loader and normal classloader
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answered Nov 20 '09 at 16:42
David RousselDavid Roussel
5,11911 gold badge2323 silver badges3232 bronze badges
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HTML Input=“file” Accept Attribute File Type (CSV)
...v), use:
<input type="file" accept=".csv" />
For Excel Files 97-2003 (.xls), use:
<input type="file" accept="application/vnd.ms-excel" />
For Excel Files 2007+ (.xlsx), use:
<input type="file" accept="application/vnd.openxmlformats-officedocument.spreadsheetml.sheet" />
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Read only the first line of a file?
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360
Use the .readline() method (Python 2 docs, Python 3 docs):
with open('myfile.txt') as f:
fi...