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Locking a file in Python
...ired.")
with open("myfile.txt"):
# work with the file as it is now locked
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EditorFor() and html properties
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The formatting worked but now null is returned for the data effectively disabling the box.
– Joe
Nov 9 '12 at 5:15
2
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How to set the environmental variable LD_LIBRARY_PATH in linux
...ding local libraries, and you've added both of them to /etc/ld.so.conf.d. Now user A can link to user B's local libraries. Not good.
– ergosys
Nov 1 '13 at 7:26
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How to determine SSL cert expiration date from a PEM encoded certificate?
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If you just want to know whether the certificate has expired (or will do so within the next N seconds), the -checkend <seconds> option to openssl x509 will tell you:
if openssl x509 -checkend 86400 -noout -in file.pem
then
echo "Certific...
Center a popup window on screen?
...lso work on windows that aren't maxed out to the screen's width and height now thanks to @Frost!
If you're on dual monitor, the window will center horizontally, but not vertically... use this function to account for that.
const popupCenter = ({url, title, w, h}) => {
// Fixes dual-screen po...
What are the differences between concepts and template constraints?
I want to know what are the semantic differences between the C++ full concepts proposal and template constraints (for instance, constraints as appeared in Dlang or the new concepts-lite proposal for C++1y ).
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Practical non-image based CAPTCHA approaches?
... twist on this that I use. Make the hidden value an encrypted time set to now. Upon post back, verify that between 10 seconds and 10 minutes has elapsed. This foils tricksters who would try to plug in some always-valid value.
– Tim Scott
Feb 7 '09 at 22:41
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Project management to go with GitHub [closed]
(EDIT: This question is now outdated for my particular issue, as Google Code supports git now and I've converted Protocol Buffers to Mercurial anyway. However, it's still of general interest, IMO.)
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Google Chromecast sender error if Chromecast extension is not installed or using incognito
... see this fixed in stable Chrome June-July 2016. Let's see ...
This is a known bug with the official Chromecast JavaScript library. Instead of failing silently, it dumps these error messages in all non-Chrome browsers as well as Chrome browsers where the Chromecast extension isn't present.
The Chr...
How to directly initialize a HashMap (in a literal way)?
...Map("key", "value").
For Java Version 9 or higher:
Yes, this is possible now. In Java 9 a couple of factory methods have been added that simplify the creation of maps :
// this works for up to 10 elements:
Map<String, String> test1 = Map.of(
"a", "b",
"c", "d"
);
// this works for ...