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Google App Engine: Is it possible to do a Gql LIKE query?
Simple one really. In SQL, if I want to search a text field for a couple of characters, I can do:
12 Answers
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Why does Date.parse give incorrect results?
...in use for some time).
I would recommend that date strings are parsed manually and the Date constructor used with year, month and day arguments to avoid ambiguity:
// parse a date in yyyy-mm-dd format
function parseDate(input) {
let parts = input.split('-');
// new Date(year, month [, day [,...
How do you tell if caps lock is on using JavaScript?
... you are interested in, may be by using a keymapping array which will hold all the valid use case keys you are addressing...
uppercase A-Z or 'Ä', 'Ö', 'Ü',
lowercase a-Z or 0-9 or 'ä', 'ö', 'ü'
The above keys are just sample representation.
...
What does Visual Studio mean by normalize inconsistent line endings?
Visual Studio occasionally tells me:
11 Answers
11
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Still Reachable Leak detected by Valgrind
All the functions mentioned in this block are library functions. How can I rectify this memory leak?
5 Answers
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Prevent user from seeing previously visited secured page after logout
...from the browser cache instead of straight from the server. This is essentially harmless, but indeed confusing to the enduser, because s/he incorrectly thinks that it's really coming from the server.
You just need to instruct the browser to not cache all the restricted JSP pages (and thus not only ...
List all files and directories in a directory + subdirectories
...
string[] allfiles = Directory.GetFiles("path/to/dir", "*.*", SearchOption.AllDirectories);
where *.* is pattern to match files
If the Directory is also needed you can go like this:
foreach (var file in allfiles){
FileInfo in...
log4j vs logback [closed]
...ments the SLF4J API. This means that if you are using logback, you are actually using the SLF4J API. You could theoretically use the internals of the logback API directly for logging, but that is highly discouraged. All logback documentation and examples on loggers are written in terms of the SLF4J ...
What is better, adjacency lists or adjacency matrices for graph problems in C++?
...e of a specific edge
between any two nodes O(1)
It is slow to iterate over all edges
It is slow to add/delete a node; a complex operation O(n^2)
It is fast to add a new edge O(1)
Adjacency List
Memory usage depends on the number of edges (not number of nodes),
which might save a lot of memor...
Regular expression to get a string between two strings in Javascript
... capture inside parenthesis):
cow(.*)milk
No lookaheads are needed at all.
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