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How do I use the ternary operator ( ? : ) in PHP as a shorthand for “if / else”?
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Just FYI, if $address['street2'] is an empty string. It will accept it and won't return 'Empty'. isset() != empty(). This will only work if the value is null
– AFwcxx
Jul 31 '18 at 6:41
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Java Security: Illegal key size or default parameters?
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import java.util.Map;
//method
public static void fixKeyLength() {
String errorString = "Failed manually overriding key-length permissions.";
int newMaxKeyLength;
try {
if ((newMaxKeyLength = Cipher.getMaxAllowedKeyLength("AES")) < 256) {
Class c = Class.forNam...
How to remove trailing whitespace of all files recursively?
... You can make it faster by using \+ instead of * in the replacement string - Otherwise it matches on every single line.
– l0b0
Mar 5 '12 at 13:20
10
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How to use JUnit to test asynchronous processes
... of time. Your test would look something like this:
CompletableFuture<String> future = new CompletableFuture<>();
executorService.submit(new Runnable() {
@Override
public void run() {
future.complete("Hello World!");
}
});
assertEquals("Hell...
How to programmatically close a JFrame
...the method is a must
}
});
}
public static void main(String[] args)
{
ExitApp app=new ExitApp();
app.setBounds(133,100,532,400);
app.setVisible(true);
}
}
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/bin/sh: pushd: not found
...Actually my PS1 is (\u) \h:\w> but I just stripped it down to a generic string now for the answer. The prompt in DOS is also ending with > by default ($P$G IIRC), and I like that.
– hlovdal
Mar 4 '11 at 12:28
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How to set timeout on python's socket recv method?
...rtunately) up to you to figure out -- it may mean looking for a terminator string, a certain number of bytes, or just waiting for a defined timeout.
– JDM
Jan 24 '13 at 19:07
4
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What is the purpose of “&&” in a shell command?
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&& strings commands together. Successive commands only execute if preceding ones succeed.
Similarly, || will allow the successive command to execute if the preceding fails.
See Bash Shell Programming.
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Xcode Command /usr/bin/codesign failed with exit code 1 : errSecInternalComponent
...ou allowed codesign to access a private key. It's enough to leave an empty string as a password.
– Kamil Szostakowski
Feb 25 '19 at 23:36
1
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How to run Visual Studio post-build events for debug build only
...too - shell command IF statements are very .. literal ... when it comes to string comparisons.
– gbjbaanb
Oct 7 '13 at 8:11
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