大约有 6,000 项符合查询结果（耗时：0.0265秒） [XML]
Checking if an object is null in C#
...
Luca, you can also avoid equality overrides by casting to 'object' in the test. On a similar vein, this answer should claim this instead: "if((object)data != null)" since it avoids errors when equality has been overriden.
– DAG
Mar 1...
Using semicolon (;) vs plus (+) with exec in find
...ind . -name 'test*' -exec echo {} \;
./test.c
./test.cpp
./test.new
./test.php
./test.py
./test.sh
With a plus, the command echo is called once only. Every file found is passed in as an argument.
$ find . -name 'test*' -exec echo {} \+
./test.c ./test.cpp ./test.new ./test.php ./test.py ./test.s...
Where can I find the Java SDK in Linux after installing it?
...to see if the current $JAVA_HOME contains a path of lib/tools.jar . In the cast of /usr/lib/jvm/java-8-oracle/bin that is not true, therefore it is not a JDK.
– Zombies
Jan 19 '16 at 7:37
...
Using an integer as a key in an associative array in JavaScript
...
Still gets cast to string.
– drew010
Apr 20 '16 at 20:00
1
...
How to disable typing special characters when pressing option key in Mac OS X? [closed]
...is to download Ukulele from here:
http://scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=ukelele
In the application you can create a new keylayout using File -> New from current source. Pressing Option will show you in the place for Option-b a red colored key - meaning it's a dead key....
Modify SVG fill color when being served as Background-Image
...server-side script, to make sure you also send the correct MIME header. In PHP this would be: <?php header('Content-type: image/svg+xml'); ?>
– slightlyfaulty
Aug 21 '14 at 10:53
...
Grep for literal strings
...nothing will be found. So this didn't return any result: grep --include=\*.php -FRn -e "$$" Using single quoutes gave me the wanted result: grep --include=\*.php -FRn -e '$$'
– Piemol
Nov 15 '17 at 13:16
...
What is boilerplate code?
...istory, according to Wikipedia:
In the 1890s, boilerplate was actually cast or stamped in metal ready for the printing press and distributed to newspapers around the United States. Until the 1950s, thousands of newspapers received and used this kind of boilerplate from the nation's largest suppl...
How to ignore SSL certificate errors in Apache HttpClient 4.0
...
I get the error that an X509TrustManager can't be cast to a TrustManager.
– MW.
Jan 16 '13 at 19:36
2
...
Can we delete an SMS in Android before it reaches the inbox?
... a nice Android-specific UI.
As of Android 1.6, incoming SMS message broadcasts (android.provider.Telephony.SMS_RECEIVED) are delivered as an "ordered broadcast" — meaning that you can tell the system which components should receive the broadcast first.
If you define an android:priority attribut...