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Java: random long number in 0
... see @mawaldne's answer), or implement your own nextLong(n).
According to https://docs.oracle.com/javase/1.5.0/docs/api/java/util/Random.html nextInt is implemented as
public int nextInt(int n) {
if (n<=0)
throw new IllegalArgumentException("n must be positive");
if ...
How to calculate the number of occurrence of a given character in each row of a column of strings?
...
A variation of https://stackoverflow.com/a/12430764/589165 is
> nchar(gsub("[^a]", "", q.data$string))
[1] 2 1 0
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How can I validate a string to only allow alphanumeric characters in it?
...r regex).
Blending various answers and comments here, and discussion from https://stackoverflow.com/a/9975693/292060, this tests for letter or digit, avoiding other language letters, and avoiding other numbers such as fraction characters.
if (!String.IsNullOrEmpty(testString)
&& testSt...
How to remove EXIF data without recompressing the JPEG?
...es the job for me, it's written in perl so should work for you on any o/s
https://exiftool.org/
usage :
exiftool -all= image.jpg
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How to install PyQt4 on Windows using pip?
...lve your purpose. The .exe windows installers can be downloaded from :
https://sourceforge.net/projects/pyqt/files/PyQt4/PyQt-4.11.4/
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filters on ng-model in an input
...l up one level as part of a custom class with its own validation methods.
https://plnkr.co/edit/gUnUjs0qHQwkq2vPZlpO?p=preview
html
<div>
<label for="a">input a</label>
<input
ng-class="{'is-valid': vm.store.a.isValid == true, 'is-invalid': vm.store.a.isValid == fal...
Most efficient way to prepend a value to an array
...is faster in all cases.
ES6 spread is 100+ times slower in all browsers.
https://jsbench.me/cgjfc79bgx/1
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Cannot set content-type to 'application/json' in jQuery.ajax
...p://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html
http://enable-cors.org/
https://developer.mozilla.org/en/http_access_control
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Connection pooling options with JDBC: DBCP vs C3P0
...(Dec '13) After 4 years at the top, there's now a much faster competitor : https://github.com/brettwooldridge/HikariCP
Update #3: (Sep '14) Please consider BoneCP to be deprecated at this point, recommend switching to HikariCP.
Update #4: (April '15) -- I no longer own the domain jolbox.com
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Is there an API to get bank transaction and bank balance? [closed]
...om use this API to gather bank and financial account data.
Also, checkout https://plaid.com/, they are a similar company Yodlee.com and provide both authentication API for several banks and REST-based transaction fetching endpoints.
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