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How to use Bash to create a folder if it doesn't already exist?
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Wow! Knowing that "[" is a command in bash is such an eye-opener. I feel like a lot of issues with my bash scripts are now resolved!
– raluru
Nov 5 '19 at 11:13
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How to fix the “java.security.cert.CertificateException: No subject alternative names present” error
...ytool expects, e.g. openssl x509 -in certs.txt -out certs.der -outform DER
Now you want to import this cert into the system default 'cacert' file. Locate the system default 'cacerts' file for your Java installation. Take a look at How to obtain the location of cacerts of the default java installatio...
How can I change an element's text without changing its child elements?
...s, however. e.g. if the text was at the end of the element first, it would now be at the start.
– Matt
Aug 31 '15 at 17:47
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Why is Java's SimpleDateFormat not thread-safe? [duplicate]
...t fall into the 97%, where "we should forget about small inefficiencies"? Now, I've seen folks, with custom web frameworks, wrapping controller in a synchronized block, and thus all access beyond including database calls, business logic - and then spending a huge effort on performance testing. No ...
css - position div to bottom of containing div
...ne isn't defined it will use the body." You just explained so much for me! Now I really start to understand CSS. THANK YOU!
– Simon Forsberg
Apr 28 '14 at 21:22
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Serialize an object to string
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I know this is not really an answer to the question, but based on the number of votes for the question and the accepted answer, I suspect the people are actually using the code to serialize an object to a string.
Using XML seri...
Creating C formatted strings (not printing them)
...ad written
char s[42];
you would be in deep trouble, because you can't know what number to put into the brackets.
Even if you had used the "safe" variant snprintf(), you would still run the danger that your strings gets truncated. When writing to a log file, that is a relatively minor concern, bu...
About “*.d.ts” in TypeScript
...y thanks! But how to map a *.d.ts file to a js file? How does the js file know which d.ts file is mapping to itself? Can you give me an example?
– user3221822
Jan 21 '14 at 1:13
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R cannot be resolved - Android error
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I thinh I have the same problem, is there any way to know witch one of the layouts?
– Sergey Kucher
Oct 13 '12 at 8:57
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How to maintain a Unique List in Java?
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Now I am confused, which one shall I use? I just need to have maintain a list of unique strings. So basically even when an existing string is added it should actually get added.
– user1804287
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