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Retrieve only static fields declared in Java class
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I stumbled across this question by accident and felt it needed a Java 8 update using streams:
public static List<Field> getStatics(Class<?> clazz) {
List<Field> result;
result = Arrays.stream(clazz.getDeclaredFields())
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jQuery hide element while preserving its space in page layout
...u interact with the element, even though you can't see it! (As pointed out by DeadPassive.)
Usually that's not what you want. But perhaps occasionally you might?
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How to restart a rails server on Heroku?
...ith alias hra='heroku restart --app '
Which you can make a permanent alias by adding it to your .bashrc or .bash_aliases file as described at:
https://askubuntu.com/questions/17536/how-do-i-create-a-permanent-bash-alias and
Creating permanent executable aliases
Then you can just type hra app_name
Y...
Is there any way to put malicious code into a regular expression?
...atching Can Be Simple And Fast
(but is slow in Java, Perl, PHP, Python, Ruby, ...) talks about ways that most modern NFAs, which all seem to derive from Henry Spencer’s code, suffer severe performance degradation, but where a Thompson‐style NFA has no such problems.
If you only admit patterns ...
How to encrypt/decrypt data in php?
...name, Lname and Email will be encrypted using a symmetric cipher, provided by OpenSSL,
The IV field will store the initialisation vector used for encryption. The storage requirements depend on the cipher and mode used; more about this later.
The Password field will be hashed using a one-way password...
How to load JAR files dynamically at Runtime?
... be able to load JAR files dynamically. I'm told there's a way of doing it by writing your own ClassLoader , but that's a lot of work for something that should (in my mind at least) be as easy as calling a method with a JAR file as its argument.
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Mercurial (hg) commit only certain files
...run with hg commit --config ui.interface=curses --interactive or generally by adding the the following to your .hgrc:
[ui]
interface = curses
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MySQL Select Date Equal to Today
...se the CONCAT with CURDATE() to the entire time of the day and then filter by using the BETWEEN in WHERE condition:
SELECT users.id, DATE_FORMAT(users.signup_date, '%Y-%m-%d')
FROM users
WHERE (users.signup_date BETWEEN CONCAT(CURDATE(), ' 00:00:00') AND CONCAT(CURDATE(), ' 23:59:59'))
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jQuery duplicate DIV into another DIV
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This does not keep values added by the user on inputs.
– wtf8_decode
Jan 13 '15 at 14:28
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PhoneGap Eclipse Issue - eglCodecCommon glUtilsParamSize: unknow param errors
...tion. If you still need "Use host GPU", you can just filter out the errors by customizing the Logcat Filter. Enter ^(?!eglCodecCommon) into the "by Log Tag (regex)" field in order to strip out the unwanted lines from the Logcat output.
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