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Objective-C Static Class Level variables
...program exactly one time just before the class, or any class that inherits from it, is sent its first message from within the program. (Thus the method may never be invoked if the class is not used.)".
Feel free to use the static variable within any ClassA class/instance method.
Code sample:
file...
JavaScript console.log causes error: “Synchronous XMLHttpRequest on the main thread is deprecated…”
...ous XMLHttpRequest outside of workers is in the process of
being removed from the web platform as it has detrimental effects to
the end user's experience. (This is a long process that takes many
years.) Developers must not pass false for the async argument when the
JavaScript global environm...
What is the purpose of “&&” in a shell command?
...the || which is an OR_IF with similar semantics.
Grammar symbols, quoted from the documentation:
%token AND_IF OR_IF DSEMI
/* '&&' '||' ';;' */
And the Grammar (also quoted from the documentation), which shows that any number of AND_IFs (&&) and/or OR_I...
Can I position an element fixed relative to parent? [duplicate]
... will position yourDiv fixed relative to the web browser window, 40 pixels from the bottom edge and 40 pixels from the right edge.
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What are the differences between WCF and ASMX web services?
...asy and simple to write and configure
only available in IIS
only callable from HTTP
WCF can be:
hosted in IIS, a Windows Service, a Winforms application, a console app - you have total freedom
used with HTTP (REST and SOAP), TCP/IP, MSMQ and many more protocols
In short: WCF is here to replac...
Change private static final field using Java reflection
...
Assuming no SecurityManager is preventing you from doing this, you can use setAccessible to get around private and resetting the modifier to get rid of final, and actually modify a private static final field.
Here's an example:
import java.lang.reflect.*;
public class E...
Downloading a picture via urllib and python
...
@user3023715 in python3 you need to import request from urllib see here
– Yassine Sedrani
Dec 13 '18 at 11:12
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How to obtain the start time and end time of a day?
...orks of Java (java.util.Date/Calendar and Joda-Time) both use milliseconds from the epoch. But in Java 8, the new JSR 310 java.time.* classes use nanoseconds resolution. Any code you wrote based on forcing the milliseconds count of last moment of day would be incorrect if switched to the new classes...
Custom fonts and XML layouts (Android)
...t) {
Typeface tf = null;
try {
tf = Typeface.createFromAsset(ctx.getAssets(), asset);
} catch (Exception e) {
Log.e(TAG, "Could not get typeface: "+e.getMessage());
return false;
}
setTypeface(tf);
return true;
...
git:// protocol blocked by company, how can I get around that?
...want to take advantage of convenient key authentication. I also use repos from Github, but my corporate firewall blocks SSH to Github. I don't want to simply replace all instances of 'git://' with 'https://' as that would break gitlab. The solution is git config --global url."https://github".inst...